Why is switching from fossil fuels to renewable fuels better for the environment if your still burning something?

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The renewable fuels I’m thinking of are bio diesel and ethanol, not wind or solar.

In: Chemistry

3 Answers

Anonymous 0 Comments

Burning wood that grew recently is just cycling the carbon that was taken in by the tree as it grew. Unless you can stop that wood decaying, e.g. by carbonisation, it’s a going to get back into the atmosphere sooner or later. Fossil carbon was taken out of the atmosphere aeons ago, putting it back now will increase the total at present.

However, it’s still better to use energy from other sources like wind and hydroelectric, etc. Then grow trees to sequester carbon. But you have to keep it trapped, for ever!

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