B2 noun Formal #6,000 mais comum 5 min de leitura

renewable

/rɪˈnuːəbəl/

Renewables are naturally replenished energy sources vital for a sustainable future, forming a major global industry.

Palavra em 30 segundos

  • Naturally replenished energy sources like sun, wind, water.
  • Typically used in plural ('renewables') for the industry/tech.
  • Contrasts with finite fossil fuels; associated with sustainability.
  • Common in formal, technical, and environmental discussions.

**Overview: Meaning, Nuances, and Connotations**

The term 'renewable,' when used as a noun (typically in the plural, 'renewables'), signifies energy sources that are naturally replenished over relatively short periods, making them sustainable for long-term use. The core concept is that these resources won't run out in the way finite resources like coal or oil will. Key examples include solar energy (from sunlight), wind energy, hydroelectric power (from moving water), geothermal energy (from the Earth's heat), and biomass (from organic matter). The nuance lies in the 'human timescale' aspect; while technically the sun will eventually die, its energy is considered renewable because it's available to us for millions of years. The connotations are overwhelmingly positive, associated with environmentalism, sustainability, clean energy, and a move away from fossil fuels. It often implies technological innovation and a forward-thinking approach to energy production. The term contrasts sharply with 'non-renewable' or 'fossil fuels', carrying implications of environmental damage, pollution, and finite supply.

**Usage Patterns

Formal vs. Informal, Written vs. Spoken, Regional Variations**

'Renewables' is predominantly used in formal and semi-formal contexts, particularly in discussions about energy policy, economics, technology, and environmental science. In written form, you'll find it frequently in news articles, academic papers, government reports, and industry publications. Spoken usage tends to mirror this, appearing in news broadcasts, documentaries, political debates, and professional meetings. In informal settings, people might refer to 'solar panels' or 'wind turbines' specifically, but 'renewables' as a collective term is less common unless discussing the broader industry or policy. There aren't significant regional variations in the core meaning or usage, though the emphasis placed on developing renewables can vary greatly by country and region based on natural resources, government incentives, and public opinion.

**Common Contexts: Work, School, Daily Life, Media, Literature**

  • Work: In the energy sector, engineering, environmental consulting, and finance, 'renewables' is a standard term referring to the industry, specific technologies (solar, wind, etc.), and related investments. Companies might report on their 'renewable energy portfolio' or discuss 'renewable energy targets.'
  • School: Students encounter 'renewables' in science, geography, and social studies classes when learning about energy sources, climate change, and sustainable development. It's a key term in environmental education.
  • Daily Life: While not used daily by most people in casual conversation, awareness of 'renewables' is growing. Consumers might choose 'renewable energy providers' for their homes or discuss the increasing presence of solar panels and wind farms in their communities.
  • Media: News outlets extensively cover the 'renewable energy sector,' discussing technological advancements, government policies, market trends, and the environmental impact of shifting away from fossil fuels.
  • Literature: In fiction, 'renewables' might appear in dystopian or utopian settings exploring future societies, or in narratives focused on environmental themes, often representing a hopeful or contentious element of societal change.

**Comparison with Similar Words**

  • Clean Energy: This is a broader term that includes renewables but can also encompass nuclear power, which is low-carbon but not strictly renewable. 'Renewables' specifically refers to naturally replenished sources.
  • Sustainable Energy: Similar to clean energy, this term emphasizes long-term viability and minimal environmental impact. Renewables are a major component of sustainable energy, but sustainable practices can also involve energy efficiency and conservation.
  • Green Energy: Often used interchangeably with 'clean energy' and 'renewables,' 'green energy' carries a strong environmental connotation, focusing on ecological friendliness. Sometimes it's used more loosely than 'renewables.'
  • Fossil Fuels: This is the direct antonym, referring to energy sources like coal, oil, and natural gas, which are finite and contribute significantly to pollution and climate change.

**Register and Tone: When to Use and When to Avoid**

Use 'renewables' in formal discussions, reports, academic writing, and news media concerning energy sources, technology, and policy. It's appropriate when discussing the industry sector, investment opportunities, or environmental strategies. Avoid using it in very casual, everyday conversation unless the context is specifically about energy choices or the broader industry, as it can sound overly technical or formal. For instance, instead of saying “I want my electricity to come from renewables,” it might be more natural to say "I'm looking for an electricity plan that uses wind or solar power," unless you are specifically discussing the provider's overall energy mix.

**Common Collocations Explained in Context**

  • Renewable energy: The most common collocation, referring to power generated from renewable sources (e.g., “The country is investing heavily in renewable energy.”)
  • Renewable resources: Natural resources that can be replenished (e.g., “Forests are considered renewable resources if managed properly.”)
  • Renewable sources: Similar to renewable energy, emphasizing the origin (e.g., “Solar and wind are key renewable sources.”)
  • Renewable technology: The technologies used to harness renewable energy (e.g., “Advances in renewable technology have lowered costs.”)
  • Renewable portfolio: A collection or mix of renewable energy assets or sources, often used in business or policy (e.g., “The utility company aims to increase its renewable portfolio to 50%.”)
  • Renewable mandate: A government requirement for a certain percentage of energy to come from renewable sources (e.g., “The state implemented a renewable mandate to combat climate change.”)
  • Renewable future: A vision of a future powered predominantly by renewable energy (e.g., “Investing in renewables is crucial for a sustainable, renewable future.”)
  • Renewable energy sector: The industry encompassing the production and distribution of renewable energy (e.g., “The renewable energy sector is experiencing rapid growth.”)

Exemplos

1

The government announced new incentives to boost investment in renewables.

formal

Le gouvernement a annoncé de nouvelles incitations pour stimuler l'investissement dans les énergies renouvelables.

2

Many homeowners are now installing solar panels, embracing renewables.

everyday

De nombreux propriétaires installent maintenant des panneaux solaires, adoptant les énergies renouvelables.

3

Our company is aiming to achieve 50% of its energy consumption from renewables by 2030.

business

Notre entreprise vise à ce que 50 % de sa consommation d'énergie provienne des énergies renouvelables d'ici 2030.

4

The report analyzes the economic viability of various renewable energy technologies.

academic

Le rapport analyse la viabilité économique de diverses technologies d'énergies renouvelables.

5

He was passionate about the transition to renewables, seeing it as key to averting climate disaster.

informal

Il était passionné par la transition vers les énergies renouvelables, la considérant comme la clé pour éviter la catastrophe climatique.

6

The novel explored a future society powered entirely by renewables.

literary

Le roman explorait une société future alimentée entièrement par des énergies renouvelables.

7

We need to diversify our energy portfolio with more renewables.

business

Nous devons diversifier notre portefeuille énergétique avec davantage d'énergies renouvelables.

8

The push for renewables is driven by both environmental concerns and energy security.

formal

La promotion des énergies renouvelables est motivée à la fois par des préoccupations environnementales et par la sécurité énergétique.

Sinônimos

green energy clean energy alternative energy sustainable energy inexhaustible energy

Antônimos

non-renewables fossil fuels finite energy

Colocações comuns

renewable energy énergie renouvelable
renewable resources ressources renouvelables
renewable sources sources renouvelables
renewable technology technologie renouvelable
renewable portfolio portefeuille renouvelable (d'énergies)
renewable mandate mandat/obligation en matière d'énergies renouvelables
renewable future avenir renouvelable
renewable energy sector secteur des énergies renouvelables

Frases Comuns

shift to renewables

transition vers les énergies renouvelables

harnessing renewables

exploiter les énergies renouvelables

growth in renewables

croissance des énergies renouvelables

future in renewables

avenir dans les énergies renouvelables

Frequentemente confundido com

renewable vs sustainable

While often used together, 'renewable' specifically means naturally replenished (like solar power). 'Sustainable' is broader, referring to practices that can continue long-term without depleting resources or harming the environment (like energy efficiency or responsible forestry).

renewable vs clean energy

'Renewables' (solar, wind, hydro) are inherently clean. However, 'clean energy' can sometimes include other low-emission sources like nuclear power, which isn't technically renewable because uranium is finite.

renewable vs reusable

'Reusable' means an item can be used multiple times (e.g., a reusable coffee cup). 'Renewable' refers to sources that replenish naturally over time, typically on a large scale like energy or natural resources.

Padrões gramaticais

Renewables + verb (plural): Renewables are crucial for the future. Renewable + noun: renewable energy, renewable resources. Noun + of + renewables: The future of renewables looks bright. Investment/focus/shift + in + renewables: There's a growing investment in renewables. Source/type/form + of + renewable: What type of renewable do you prefer? Transition/move + to + renewables: The global move to renewables is accelerating.

How to Use It

Notas de uso

The term 'renewables' is primarily used in formal contexts like policy discussions, industry reports, and academic papers. While understood in everyday conversation, it can sound technical. Avoid using it to describe objects that are simply used more than once; for that, 'reusable' is the correct term. In casual speech about personal energy choices, referring to specific types like 'solar' or 'wind' might be more natural than the collective noun 'renewables.'


Erros comuns

Learners sometimes confuse 'renewable' (naturally replenished) with 'reusable' (can be used again). For example, saying 'This bottle is renewable' is incorrect; it should be 'reusable.' Also, while related, 'renewable' and 'sustainable' aren't identical; sustainable energy includes efficiency, not just replenished sources.

Tips

💡

Focus on the Plural

Remember that 'renewables' (plural) is the most common form when discussing the industry or the concept generally. Use the singular 'renewable' when modifying a noun, like 'renewable energy'.

⚠️

Don't Confuse with 'Sustainable'

While closely related, 'renewable' specifically means naturally replenished. 'Sustainable' is broader, encompassing long-term environmental, economic, and social viability, which includes efficiency and conservation, not just source replenishment.

🌍

Global Shift Indicator

Discussions about 'renewables' often reflect a global trend and political/economic commitment towards decarbonization and energy independence. It's a keyword in climate change discourse.

🎓

Industry Jargon

In business contexts, you'll hear terms like 'renewable portfolio standard (RPS)' or 'renewable energy certificates (RECs)' which are specific policy and market mechanisms related to the sector.

Origem da palavra

The word 'renewable' comes from the Latin 'renovare,' meaning 'to make new again.' It entered English usage referring to things that could be made new or restored, later specializing in the 20th century to describe energy sources that naturally replenish.

Contexto cultural

The concept of 'renewables' is central to modern environmentalism and the global response to climate change. It symbolizes hope for a cleaner future and is often featured in political debates about energy policy, economic development, and national security. The widespread adoption of renewable technologies like solar panels is also visually changing landscapes worldwide.

Dica de memorização

Imagine a field of sunflowers constantly turning to face the sun (solar energy) and tall windmills spinning endlessly (wind energy). These are 'renewing' themselves naturally, unlike a coal mine that gets depleted. Think 'Renew-able' = Able to Renew.

Perguntas frequentes

8 perguntas

While most commonly associated with energy sources like solar and wind, the concept of 'renewable' can apply to other resources that are replenished naturally, such as timber or certain types of fish stocks, though this usage is less frequent.

'Renewables' specifically refers to energy sources that replenish naturally (solar, wind, hydro). 'Clean energy' is broader and can include non-renewable but low-emission sources like nuclear power.

The plural form 'renewables' is commonly used to refer to the industry, the technologies, or the collection of different renewable energy sources collectively, rather than a single type.

No, reliability varies. Solar and wind are intermittent (depend on weather), while geothermal and hydro can be more consistent. This is a key challenge in the renewables sector.

Generally, yes, they have a much lower environmental impact than fossil fuels. However, the manufacturing of solar panels or wind turbines, and land use, can have some environmental considerations.

No, 'renewable' is not typically used to describe a person's personal qualities. It refers to resources or energy sources. You might describe a person as 'environmentally conscious' or 'forward-thinking'.

The main non-renewable energy sources are fossil fuels: coal, petroleum (oil), and natural gas. Nuclear fuel (uranium) is also finite and considered non-renewable.

'Renewables' is generally considered a formal or semi-formal term, often used in technical, economic, and policy discussions about energy.

Teste-se

fill blank

The company is committed to sourcing 100% of its energy from __________.

Correto! Quase. Resposta certa: renewables

'Renewables' is the correct term for naturally replenished energy sources, fitting the context of a company's energy sourcing commitment.

multiple choice

What does 'renewables' refer to in the sentence: 'The future of energy lies in renewables'?

Correto! Quase. Resposta certa: Energy sources that are naturally replenished on a human timescale

This option accurately defines renewable energy sources like solar, wind, and hydro power.

sentence building

investment / in / growing / renewables / is / rapidly

Correto! Quase. Resposta certa: Investment in renewables is growing rapidly.

This sentence follows a standard Subject-Verb-Adverbial structure, with 'Investment in renewables' acting as the subject phrase.

error correction

The planet needs to transition to renewable sources for a sustainable future.

Correto! Quase. Resposta certa: The planet needs to transition to renewable sources for a sustainable future.

There is no error in this sentence. 'Renewable' is correctly used as an adjective modifying 'sources'.

Pontuação: /4

Related Content

Mais palavras de Environment

environment

A2

O ambiente são as coisas ao nosso redor, como o ar, a água e a natureza. Afeta como vivemos e como os animais vivem.

darkness

B1

É a ausência total ou parcial de luz. Às vezes também é usada para descrever algo mau ou um estado desconhecido.

environmental

A2

Ambiental relaciona-se com a natureza, como o ar, a água e os animais. É frequentemente usado para falar sobre a proteção da natureza contra danos humanos.

fertilizer

B2

A chemical or natural substance added to soil or land to increase its fertility and provide essential nutrients for plant growth. It is primarily used in gardening and agriculture to help crops develop faster and produce higher yields.

desertification

B2

The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. It represents a significant environmental challenge where land loses its biological productivity and ability to support human life.

fuels

B1

São substâncias como carvão ou petróleo que queimam para produzir calor ou energia.

fires

B1

São vários fogos. Como verbo, significa disparar uma arma ou demitir alguém.

wastewater

B2

Águas residuais são a água usada de casas ou indústrias que contém resíduos e precisa ser tratada.

prehumist

C1

Relativo ao estado do ambiente antes do surgimento ou intervenção humana significativa. Descreve uma paisagem primordial.

conserve

B2

To protect something from harm or destruction, particularly the natural environment or historical sites. It also means to use resources like energy, water, or money carefully to prevent them from being wasted or used up.

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