马上开始. 它是免费的哦
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Renewable energy 作者: Mind Map: Renewable energy

1. Migrations petterns

2. Disrupt wildlife

3. Downsides

4. Reduce threats for our health

5. Decrease pollution

6. Never run out

7. It does not creates greenhouse emissions

8. Combats climate change

9. Benefits

9.1. Costs very little to operate

10. Naturally replenish themselves

11. What is it?