dioxyde de carbone en 30 segundos
- Dioxyde de carbone is carbon dioxide, a gas vital for plants but a major greenhouse gas when emitted by humans.
- It's a key factor in climate change discussions and environmental policy.
- It's produced by burning fossil fuels and respiration, and absorbed by plants.
- Accurate scientific term for CO2, distinct from 'carbone' (carbon element).
'Dioxyde de carbone' is the French term for carbon dioxide, a fundamental chemical compound essential for life on Earth but also a significant factor in environmental discussions. It is a colorless and odorless gas, naturally present in the atmosphere. Plants use it during photosynthesis to produce oxygen, which is vital for animal life, including humans. This natural cycle helps maintain the balance of gases in our atmosphere. However, human activities, particularly the burning of fossil fuels like coal, oil, and natural gas for energy, transportation, and industrial processes, have drastically increased the concentration of carbon dioxide in the atmosphere. This increase is a primary driver of climate change and global warming. You'll commonly encounter this term in contexts related to environmental science, climate change, pollution, energy production, and the carbon footprint of individuals, companies, and nations. It's also discussed in relation to breathing, as exhaled air contains a higher concentration of carbon dioxide than inhaled air. Understanding 'dioxyde de carbone' is crucial for comprehending many contemporary environmental and scientific issues.
- Natural Occurrence
- Carbon dioxide is a natural component of the Earth's atmosphere, playing a vital role in regulating the planet's temperature through the greenhouse effect. It is also produced by natural processes like volcanic eruptions and the decomposition of organic matter.
- Human Impact
- The industrial revolution and subsequent reliance on fossil fuels have led to unprecedented levels of atmospheric carbon dioxide. This anthropogenic emission is the main cause of the current climate crisis, leading to rising global temperatures, melting glaciers, and more extreme weather events.
- Biological Role
- In biology, carbon dioxide is essential for photosynthesis in plants, algae, and cyanobacteria. They absorb it from the atmosphere and use sunlight to convert it into glucose and oxygen. Humans and animals exhale carbon dioxide as a waste product of cellular respiration.
La combustion des énergies fossiles libère une grande quantité de dioxyde de carbone dans l'atmosphère.
Les plantes absorbent le dioxyde de carbone pour réaliser la photosynthèse.
'Dioxyde de carbone' is a noun and functions like any other noun in a sentence. It is masculine and singular, and does not typically have a plural form in common usage, though technically 'dioxydes de carbone' could refer to multiple distinct forms or instances. It is often preceded by articles like 'le' (the) or 'du' (some, of the). You will frequently see it used in contexts discussing emissions, absorption, levels, or the impact on the environment. For instance, 'les émissions de dioxyde de carbone' refers to carbon dioxide emissions. 'La réduction du dioxyde de carbone' means the reduction of carbon dioxide. It can also be the subject or object of a verb, such as 'Le dioxyde de carbone piège la chaleur' (Carbon dioxide traps heat). When discussing breathing, one might say 'l'air expiré contient du dioxyde de carbone' (exhaled air contains carbon dioxide). In scientific or technical contexts, it might be quantified, for example, 'la concentration de dioxyde de carbone' (the concentration of carbon dioxide). Understanding these common grammatical patterns will help you use and comprehend the term effectively. Pay attention to prepositions that often accompany it, such as 'de' (of) when indicating origin or composition, and 'dans' (in) when referring to its presence in the atmosphere or other substances.
- With Articles
- 'Le dioxyde de carbone' is the most common form, referring to carbon dioxide in general. 'Du dioxyde de carbone' is used when referring to an unspecified amount or as a partitive article, for example, when talking about exhaled air containing some amount of it.
- As a Subject
- When 'dioxyde de carbone' is the subject of the sentence, it performs the action. For example, 'Le dioxyde de carbone contribue au réchauffement climatique.' (Carbon dioxide contributes to global warming.)
- As an Object
- When 'dioxyde de carbone' is the object, it receives the action of the verb. For instance, 'Les usines rejettent beaucoup de dioxyde de carbone.' (Factories release a lot of carbon dioxide.)
- In Compound Nouns/Phrases
- It is often part of phrases like 'émissions de dioxyde de carbone' (carbon dioxide emissions) or 'empreinte carbone' (carbon footprint), where it's implicitly linked to carbon dioxide.
Il est essentiel de réduire nos émissions de dioxyde de carbone.
La photosynthèse consomme du dioxyde de carbone.
You will predominantly hear 'dioxyde de carbone' in contexts related to environmental news, scientific discussions, and governmental policy debates. News reports discussing climate change, greenhouse gas emissions, or international climate summits will frequently use this term. For example, a news anchor might say, 'Les scientifiques tirent la sonnette d'alarme sur l'augmentation du dioxyde de carbone.' (Scientists are sounding the alarm about the increase in carbon dioxide.) In educational settings, particularly in science classes (biology, chemistry, environmental science), teachers will use it extensively when explaining photosynthesis, respiration, the greenhouse effect, or pollution. Documentaries about nature, climate, or industrial processes are also rich sources. You might hear a narrator explain, 'L'activité volcanique libère du dioxyde de carbone dans l'atmosphère.' (Volcanic activity releases carbon dioxide into the atmosphere.) In political discourse, politicians and policymakers will refer to it when discussing environmental regulations, carbon taxes, or renewable energy initiatives. For instance, a politician might state, 'Nous devons investir dans des technologies qui réduisent notre dépendance au dioxyde de carbone.' (We must invest in technologies that reduce our reliance on carbon dioxide.) Even in everyday conversations, if the topic turns to environmental concerns, energy consumption, or even breathing difficulties related to air quality, 'dioxyde de carbone' might come up. For example, someone might comment, 'L'air est lourd aujourd'hui, il y a peut-être trop de dioxyde de carbone.' (The air is heavy today, maybe there's too much carbon dioxide.) The term is also used in technical fields like automotive engineering (exhaust emissions) and industrial chemistry. In summary, listen for it in any discussion that touches upon the planet's atmosphere, energy, industry, and the health of ecosystems.
- News and Media
- News reports about climate change, global warming, and environmental policies are prime places to hear 'dioxyde de carbone'. Terms like 'émissions de dioxyde de carbone' are common.
- Educational Settings
- In science classes, particularly chemistry and biology, it's a fundamental term when discussing photosynthesis, respiration, and atmospheric composition.
- Environmental Documentaries
- Films and series focusing on the planet's ecosystems, climate challenges, and human impact will frequently use this term.
- Political Speeches
- When discussing environmental regulations, carbon footprints, or sustainable development, politicians often mention 'dioxyde de carbone'.
Le bulletin météo a mentionné une augmentation du dioxyde de carbone dans l'air.
Dans notre cours de sciences, nous avons appris comment les usines rejettent du dioxyde de carbone.
When learning 'dioxyde de carbone', learners might sometimes confuse it with other related terms or misapply its usage. One common pitfall is mistaking it for a general term for 'pollution' or 'gas' without specifying its chemical identity. While it is a gas and a form of pollution when in excess, it's a specific compound. For example, saying 'La pollution de l'air est causée par le dioxyde de carbone' is true, but it's more precise to say 'Les émissions de dioxyde de carbone sont une cause majeure de la pollution de l'air'. Another potential error is incorrect grammatical agreement, though 'dioxyde de carbone' is generally used in its singular form. Learners might also oversimplify its pronunciation or spell it incorrectly, especially given the compound nature of the word. It's important to remember it's 'dioxyde' (dioxide) and 'carbone' (carbon). Some might use it interchangeably with 'carbone' itself, which refers to the element carbon, not the compound carbon dioxide. For instance, saying 'Les voitures émettent du carbone' instead of 'Les voitures émettent du dioxyde de carbone' is inaccurate in this specific context, as they emit the compound. Finally, learners might struggle with the correct prepositions. While 'de' is common ('émissions de dioxyde de carbone'), using 'dans' or other prepositions incorrectly can lead to awkward phrasing. Always remember its scientific nature and use it in contexts where specific chemical compounds are discussed, particularly concerning atmospheric composition and environmental impact.
- Confusing with 'Carbone'
- 'Carbone' is the element carbon, while 'dioxyde de carbone' is the compound carbon dioxide. They are not interchangeable. For example, a car engine burns fuel to produce 'dioxyde de carbone', not just 'carbone'.
- Overgeneralization
- Treating 'dioxyde de carbone' as a generic term for 'air pollution' can be misleading. While it contributes to pollution, it's a specific chemical compound with specific effects.
- Incorrect Prepositions
- While 'émissions de dioxyde de carbone' is correct, learners might incorrectly use other prepositions or omit 'de' in similar constructions.
- Pluralization
- Although technically possible in very specific scientific contexts, 'dioxyde de carbone' is almost always used in the singular form. Avoid pluralizing it in general conversation or writing.
Incorrect: Les voitures émettent du carbone.
Correct: Les voitures émettent du dioxyde de carbone.
Incorrect: La pollution est du dioxyde de carbone.
Correct: Le dioxyde de carbone est une cause de pollution.
While 'dioxyde de carbone' is the precise scientific term, there are related words and phrases that might be used in different contexts or to convey similar ideas, though often with less specificity. The most direct alternative, especially in very informal or simplified contexts, might be 'gaz carbonique', though this is less common and considered slightly archaic or less scientific than 'dioxyde de carbone'. In everyday conversation about pollution, people might refer to 'les gaz à effet de serre' (greenhouse gases) as a broader category that includes carbon dioxide, but also methane, nitrous oxide, and others. If the context is about the impact on the climate, 'empreinte carbone' (carbon footprint) is a related concept, referring to the total amount of greenhouse gases, primarily carbon dioxide, generated by our actions. For the element itself, the word is 'carbone'. It's crucial not to confuse 'carbone' (the element) with 'dioxyde de carbone' (the compound). In discussions about breathing, 'CO2' is often used as an abbreviation, especially in scientific or technical writing, but when speaking, 'dioxyde de carbone' is preferred. When discussing the natural processes, one might use terms like 'photosynthèse' (photosynthesis), which consumes carbon dioxide, or 'respiration cellulaire' (cellular respiration), which produces it. In very general terms related to air quality, one might simply say 'le gaz' if the context is clear, but this lacks precision. For example, 'Les voitures polluent avec des gaz' is very general, whereas 'Les voitures polluent en rejetant du dioxyde de carbone' is specific. Therefore, while alternatives exist for broader concepts or in informal settings, 'dioxyde de carbone' remains the standard and most accurate term for carbon dioxide in French.
- Gaz carbonique
- This is an older, less scientific term for carbon dioxide. While understood, 'dioxyde de carbone' is the preferred and modern scientific term.
- Gaz à effet de serre
- This is a broader category that includes carbon dioxide, methane, and other gases that trap heat in the atmosphere. 'Dioxyde de carbone' is the most significant of these gases.
- Empreinte carbone
- This refers to the total amount of greenhouse gases (primarily CO2) caused by an individual, event, organization, or product. It's a concept related to the impact of carbon dioxide.
- Carbone
- This refers to the chemical element carbon, not the compound carbon dioxide. It's crucial to distinguish between the two.
Le dioxyde de carbone est le principal gaz à effet de serre.
Pour calculer l'empreinte carbone, on prend en compte le dioxyde de carbone et d'autres gaz.
Guía de pronunciación
- Pronouncing 'dioxyde' as if it were one word or misplacing the stress.
- Making the 'r' sound in 'carbone' too strong or too weak.
- Not pronouncing the final 'e' in 'dioxyde' clearly, or conversely, over-pronouncing it.
Ejemplos por nivel
L'air a du dioxyde de carbone.
The air has carbon dioxide.
Basic sentence structure with 'avoir'.
Les plantes aiment le dioxyde de carbone.
Plants like carbon dioxide.
Subject-verb-object structure.
C'est du dioxyde de carbone.
It is carbon dioxide.
Using 'c'est' for identification.
On respire de l'air avec dioxyde de carbone.
We breathe air with carbon dioxide.
Using 'on' for general subject, 'avec' preposition.
Le soleil fait le dioxyde de carbone.
The sun makes carbon dioxide.
Simple cause-effect statement.
Trop de dioxyde de carbone.
Too much carbon dioxide.
Adjective phrase.
L'eau et le dioxyde de carbone.
Water and carbon dioxide.
Listing items with 'et'.
Le dioxyde de carbone est un gaz.
Carbon dioxide is a gas.
Subject-verb-complement structure.
Les voitures produisent du dioxyde de carbone.
Cars produce carbon dioxide.
Using 'produire' and the partitive 'du'.
Il y a trop de dioxyde de carbone dans l'air.
There is too much carbon dioxide in the air.
'Il y a' for existence, preposition 'dans'.
Les plantes absorbent le dioxyde de carbone.
Plants absorb carbon dioxide.
Using the definite article 'le'.
Le dioxyde de carbone cause le réchauffement climatique.
Carbon dioxide causes global warming.
Using 'causer' and definite article.
Nous devons réduire le dioxyde de carbone.
We must reduce carbon dioxide.
Using 'devoir' + infinitive.
L'air expiré contient du dioxyde de carbone.
Exhaled air contains carbon dioxide.
Using 'contenir' and partitive 'du'.
Le dioxyde de carbone est un gaz important.
Carbon dioxide is an important gas.
Adjective placement.
Comment réduire le dioxyde de carbone?
How to reduce carbon dioxide?
Question formation.
La combustion des énergies fossiles libère une grande quantité de dioxyde de carbone.
The burning of fossil fuels releases a large quantity of carbon dioxide.
Use of 'de' + noun to specify quantity.
Les scientifiques s'inquiètent de l'augmentation du dioxyde de carbone dans l'atmosphère.
Scientists are worried about the increase of carbon dioxide in the atmosphere.
Preposition 'de' after 's'inquiéter', preposition 'dans'.
Pour lutter contre le changement climatique, il faut diminuer les émissions de dioxyde de carbone.
To fight against climate change, it is necessary to decrease carbon dioxide emissions.
Infinitive clause of purpose, 'il faut', compound noun 'émissions de'.
L'océan absorbe une partie du dioxyde de carbone émis par les activités humaines.
The ocean absorbs a part of the carbon dioxide emitted by human activities.
Use of 'une partie de', past participle 'émis' used as adjective.
Les véhicules électriques sont une alternative pour réduire le dioxyde de carbone des transports.
Electric vehicles are an alternative for reducing carbon dioxide from transportation.
Use of 'pour' + infinitive, 'des' contraction.
La photosynthèse est un processus naturel qui consomme du dioxyde de carbone.
Photosynthesis is a natural process that consumes carbon dioxide.
Relative pronoun 'qui', partitive 'du'.
Le dioxyde de carbone piège la chaleur, contribuant ainsi à l'effet de serre.
Carbon dioxide traps heat, thus contributing to the greenhouse effect.
Gerundive 'contribuant', adverbial phrase 'ainsi'.
Comprendre le cycle du dioxyde de carbone est essentiel pour l'écologie.
Understanding the carbon dioxide cycle is essential for ecology.
Gerund as subject, 'cycle du'.
L'augmentation continue des concentrations de dioxyde de carbone atmosphérique est une préoccupation majeure pour l'avenir de la planète.
The continuous increase in atmospheric carbon dioxide concentrations is a major concern for the future of the planet.
Complex noun phrases, adjective placement, abstract nouns.
Les politiques visant à réduire les émissions de dioxyde de carbone doivent être ambitieuses et globales.
Policies aimed at reducing carbon dioxide emissions must be ambitious and global.
Participle clause 'visant à', agreement of adjectives.
La séquestration du dioxyde de carbone est une technologie prometteuse pour atténuer le réchauffement climatique.
Carbon dioxide sequestration is a promising technology for mitigating global warming.
Abstract noun 'séquestration', infinitive of purpose 'pour atténuer'.
Il est impératif de trouver des solutions durables pour limiter notre dépendance aux énergies fossiles, principales sources de dioxyde de carbone.
It is imperative to find sustainable solutions to limit our dependence on fossil fuels, the main sources of carbon dioxide.
Impersonal expression 'il est impératif', relative clause implied.
L'acidification des océans est une conséquence directe de l'absorption excessive de dioxyde de carbone par l'eau de mer.
Ocean acidification is a direct consequence of the excessive absorption of carbon dioxide by seawater.
Noun phrase 'conséquence directe de', genitive construction.
La déforestation joue un rôle non négligeable dans l'augmentation du dioxyde de carbone atmosphérique, car elle réduit la capacité de la planète à l'absorber.
Deforestation plays a not insignificant role in the increase of atmospheric carbon dioxide, as it reduces the planet's capacity to absorb it.
Adverbial clause of cause 'car', negation 'non négligeable'.
Les modèles climatiques prévoient une hausse significative des températures si les émissions de dioxyde de carbone ne sont pas maîtrisées.
Climate models predict a significant rise in temperatures if carbon dioxide emissions are not controlled.
Conditional clause, passive voice 'ne sont pas maîtrisées'.
La mesure précise de la concentration de dioxyde de carbone est cruciale pour le suivi des tendances climatiques.
The precise measurement of carbon dioxide concentration is crucial for monitoring climate trends.
Abstract noun 'mesure', adjective placement, infinitive of purpose.
L'anthropisation croissante a indéniablement perturbé l'équilibre du cycle biogéochimique du carbone, entraînant une accumulation sans précédent de dioxyde de carbone dans l'atmosphère.
Increasing anthropization has undeniably disturbed the balance of the carbon biogeochemical cycle, leading to an unprecedented accumulation of carbon dioxide in the atmosphere.
Advanced vocabulary, gerundive 'entraînant', complex sentence structure.
Les stratégies de décarbonation impliquent une refonte systémique des infrastructures énergétiques et industrielles afin de réduire drastiquement les rejets de dioxyde de carbone.
Decarbonization strategies involve a systemic overhaul of energy and industrial infrastructures in order to drastically reduce carbon dioxide emissions.
Specialized vocabulary, infinitive of purpose 'afin de', adverb 'drastiquement'.
La capacité de certains organismes marins à fixer le dioxyde de carbone est un sujet de recherche intense pour ses implications potentielles dans la géoingénierie.
The ability of certain marine organisms to fix carbon dioxide is a subject of intense research for its potential implications in geoengineering.
Complex noun phrases, abstract concepts, passive voice implied.
Une compréhension approfondie des mécanismes de rétroaction impliquant le dioxyde de carbone est indispensable pour modéliser avec précision les scénarios climatiques futurs.
A thorough understanding of the feedback mechanisms involving carbon dioxide is indispensable for accurately modeling future climate scenarios.
Abstract nouns, participial adjective 'impliquant', infinitive of purpose 'pour modéliser'.
La variabilité naturelle des concentrations de dioxyde de carbone sur des échelles de temps géologiques rend complexe l'attribution des changements climatiques actuels uniquement aux facteurs anthropiques.
The natural variability of carbon dioxide concentrations over geological timescales makes it complex to attribute current climate changes solely to anthropogenic factors.
Complex sentence structure, abstract nouns, genitive constructions.
L'interception du rayonnement solaire par le dioxyde de carbone est un phénomène clé expliquant le réchauffement planétaire, mais ses interactions avec d'autres gaz sont également significatives.
The interception of solar radiation by carbon dioxide is a key phenomenon explaining global warming, but its interactions with other gases are also significant.
Complex noun phrases, participial adjective 'expliquant', conjunction 'mais'.
La mise en œuvre de mesures de compensation carbone, telles que la reforestation ou la capture de dioxyde de carbone, vise à équilibrer les émissions nettes.
The implementation of carbon offsetting measures, such as reforestation or carbon dioxide capture, aims to balance net emissions.
Complex noun phrases, infinitive of purpose 'visant à', abstract noun 'mise en œuvre'.
L'analyse spectrale de l'atmosphère terrestre a permis de quantifier l'augmentation exponentielle du dioxyde de carbone depuis l'ère industrielle.
Spectral analysis of the Earth's atmosphere has quantified the exponential increase in carbon dioxide since the industrial era.
Advanced vocabulary, past participle 'permis de quantifier', temporal phrase 'depuis'.
La modélisation des cycles biogéochimiques complexes, incluant la dynamique du dioxyde de carbone dans les systèmes terrestres et océaniques, demeure un défi majeur pour la prévision climatique à long terme.
Modeling complex biogeochemical cycles, including the dynamics of carbon dioxide in terrestrial and oceanic systems, remains a major challenge for long-term climate forecasting.
Extremely complex sentence structure, specialized vocabulary, gerundive 'incluant'.
L'ingénierie du climat, bien que controversée, explore des stratégies d'élimination active du dioxyde de carbone de l'atmosphère pour contrer les effets anthropiques les plus délétères.
Climate engineering, although controversial, explores strategies for active removal of carbon dioxide from the atmosphere to counteract the most deleterious anthropogenic effects.
Advanced vocabulary, concessive clause 'bien que', infinitive of purpose 'pour contrer'.
Les interactions non linéaires entre le dioxyde de carbone et les aérosols dans l'atmosphère amplifient la complexité des forçages radiatifs, rendant l'évaluation précise de leur contribution au réchauffement problématique.
The non-linear interactions between carbon dioxide and aerosols in the atmosphere amplify the complexity of radiative forcings, making the precise assessment of their contribution to warming problematic.
Highly technical vocabulary, complex sentence structure, participial adjective 'rendant'.
L'analyse isotopique du dioxyde de carbone atmosphérique permet de discriminer les sources d'émission, distinguant ainsi les contributions naturelles des émissions d'origine anthropique.
Isotopic analysis of atmospheric carbon dioxide allows for the discrimination of emission sources, thus distinguishing natural contributions from anthropogenic emissions.
Specialized scientific vocabulary, gerundive 'distinguant', abstract nouns.
La résilience des écosystèmes face aux fluctuations accrues de dioxyde de carbone dépendra de leur capacité intrinsèque à s'adapter à des conditions environnementales changeantes.
The resilience of ecosystems to increased fluctuations of carbon dioxide will depend on their intrinsic capacity to adapt to changing environmental conditions.
Abstract nouns, future tense, infinitive of purpose 'à s'adapter'.
La compréhension exhaustive de la rétroaction carbone-climat est primordiale pour anticiper les trajectoires futures de réchauffement et élaborer des stratégies d'atténuation efficaces.
An exhaustive understanding of the carbon-climate feedback is paramount for anticipating future warming trajectories and developing effective mitigation strategies.
Highly abstract vocabulary, infinitive of purpose 'pour anticiper et élaborer'.
L'optimisation des puits de carbone naturels, tels que les forêts et les océans, représente une voie prometteuse mais insuffisante pour compenser l'ampleur des émissions anthropiques de dioxyde de carbone.
The optimization of natural carbon sinks, such as forests and oceans, represents a promising but insufficient path to offset the magnitude of anthropogenic carbon dioxide emissions.
Complex noun phrases, abstract nouns, contrastive conjunction 'mais'.
La quantification précise des flux de dioxyde de carbone entre la biosphère et l'atmosphère est essentielle pour affiner les bilans carbone globaux et évaluer l'efficacité des politiques climatiques.
The precise quantification of carbon dioxide fluxes between the biosphere and the atmosphere is essential for refining global carbon budgets and evaluating the effectiveness of climate policies.
Highly technical vocabulary, infinitive of purpose 'pour affiner et évaluer'.
Sinónimos
Antónimos
Colocaciones comunes
Frases Comunes
— This phrase refers to the release of carbon dioxide into the atmosphere, typically from human activities like burning fossil fuels or industrial processes. It's a key metric in environmental discussions.
Les gouvernements cherchent à réduire les émissions de dioxyde de carbone pour combattre le changement climatique.
— This is a call to action or a statement of policy objective to lower the amount of carbon dioxide released into the atmosphere, aiming to mitigate climate change.
La transition vers les énergies renouvelables est essentielle pour réduire nos émissions de dioxyde de carbone.
— This phrase indicates that carbon dioxide is a component of the broader category of greenhouse gases, which are responsible for trapping heat in the Earth's atmosphere.
L'augmentation des gaz à effet de serre, dont le dioxyde de carbone, est la principale cause du réchauffement climatique.
— This refers to the natural processes by which carbon and carbon dioxide are exchanged among the biosphere, oceans, atmosphere, and geosphere. It's a fundamental concept in Earth science.
Le cycle du carbone et du dioxyde de carbone est perturbé par les activités humaines.
— This phrase directly links carbon dioxide to the phenomenon of climate change, highlighting its role as a primary driver.
La relation entre le dioxyde de carbone et le changement climatique est scientifiquement prouvée.
— This refers to the process by which carbon dioxide is taken up from the atmosphere, primarily by plants (photosynthesis) and oceans.
La reforestation contribue à l'absorption de dioxyde de carbone.
— This refers to the amount or concentration of carbon dioxide present in a given space, such as the atmosphere or a specific gas mixture.
La teneur en dioxyde de carbone de l'air a considérablement augmenté au cours du dernier siècle.
— A simple way to refer to the presence of carbon dioxide in the Earth's atmosphere.
Il y a trop de dioxyde de carbone dans l'air pollué de la ville.
— Similar to 'émissions', this phrase emphasizes the act of releasing carbon dioxide, often from industrial or vehicular sources.
Les usines doivent contrôler leurs rejets de dioxyde de carbone.
— This phrase connects carbon dioxide to its essential role in photosynthesis, the process by which plants convert light energy into chemical energy.
Le dioxyde de carbone et la lumière du soleil sont nécessaires à la photosynthèse.
Modismos y expresiones
— To have a carbon footprint. This idiom refers to the total amount of greenhouse gases, primarily carbon dioxide, that are generated by our actions. It's a metaphorical concept about our impact on the climate.
Chacun de nous a une empreinte carbone qu'il faut essayer de réduire.
— This is not a standard idiom, but could be used figuratively to describe a situation where the air is so polluted or stagnant that it feels like one is breathing in something harmful like carbon dioxide. It implies a very unhealthy atmosphere.
Dans cette usine fermée depuis des années, on avait l'impression de respirer du dioxyde de carbone.
— Literally, this refers to the greenhouse effect where the atmosphere traps heat due to gases like CO2. Figuratively, it could be used for any situation where something harmful is contained or trapped.
Le dioxyde de carbone piège la chaleur de la Terre, ce qui entraîne le réchauffement.
— This phrase suggests that while carbon dioxide is a major factor in an issue (like climate change), it's not the only cause, implying other contributing elements are also at play.
Le dioxyde de carbone n'est pas le seul coupable du changement climatique ; le méthane joue aussi un rôle.
— Literally, this could refer to a visible plume of CO2 from an industrial source, but it's more often used metaphorically to describe a pervasive feeling of suffocation or an overwhelming presence of something negative, akin to being in a heavy, polluted atmosphere.
Après l'explosion, un nuage de dioxyde de carbone semblait envahir la vallée.
— This means the air has a high concentration of carbon dioxide, making it potentially unhealthy or stagnant. It's a descriptive phrase for poor air quality.
Dans la grotte, l'air était chargé en dioxyde de carbone, il fallait sortir rapidement.
— This phrase suggests using the issue of carbon dioxide (e.g., its reduction, taxation) as a tool or means to achieve a larger goal, such as environmental protection or economic transition.
La taxe sur le dioxyde de carbone sert de levier pour encourager les entreprises à investir dans des technologies propres.
— This is a metaphorical description for something that produces a large amount of carbon dioxide, often used negatively for polluting sources.
Cette vieille usine est un véritable poumon de dioxyde de carbone.
— This highlights that carbon dioxide is a gas that cannot be seen or directly felt (in normal concentrations), yet it has significant harmful effects on the planet.
Le dioxyde de carbone, un ennemi invisible, transforme notre climat.
— This refers to the collective effort and struggle to reduce carbon dioxide emissions and mitigate climate change, framing it as a significant challenge or conflict.
La bataille contre le dioxyde de carbone est l'un des défis majeurs de notre siècle.
Summary
Dioxyde de carbone, or carbon dioxide (CO2), is a fundamental gas in Earth's atmosphere. While essential for plant life through photosynthesis, human activities, primarily the combustion of fossil fuels, have led to its increased concentration, making it a primary driver of global warming and climate change. Understanding this term is crucial for engaging with environmental science and policy discussions.
- Dioxyde de carbone is carbon dioxide, a gas vital for plants but a major greenhouse gas when emitted by humans.
- It's a key factor in climate change discussions and environmental policy.
- It's produced by burning fossil fuels and respiration, and absorbed by plants.
- Accurate scientific term for CO2, distinct from 'carbone' (carbon element).
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B1In the wild; in an untamed state.
à l'extérieur de
A2En la parte de afuera de un lugar o cosa.
à l'intérieur de
A2Inside of; within.
à pas lents
B1A pasos lentos; moviéndose con lentitud y deliberación.
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