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Renewable means that something can be replaced or renewed. In the context of energy, renewable energy comes from sources that are naturally replenished, such as sunlight, wind, water, and geothermal heat.
Renewable energy is important because it is a clean and sustainable source of energy. It does not produce greenhouse gases, which contribute to climate change. Renewable energy is also a domestic source of energy, which means that we do not have to rely on imports from other countries.
Here are some examples of renewable energy sources:
Geothermal energy comes from the heat of the Earth. We can use geothermal heat to generate electricity or to heat homes and buildings.
Renewable energy is a key part of the solution to climate change.
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Adjective:
The word "renewable" comes from the Latin word "renovare", which means "to make new".
The word "energy" comes from the Greek word "energeia", which means "activity".
The first recorded use of the word "renewable energy" was in the 1970s.
What types of renewable energy are there?