Renewable energy

1. What kinds are there?

1.1. Solar

1.2. Wind

1.3. Hydro

1.4. Geothermal

1.5. Biomass

2. Why is it important?

2.1. Actual energy sources, mostly fossil fuels, are running out

2.2. The earth is dying, we're killing it

2.3. Future generations are going to suffer scarcity of everything

3. What is it?

3.1. Energy from sources that naturally replenish themselves and don't run out

4. What are the benefits?

4.1. no direct greenhouse emissions, very low from manufacturing and installation.

4.2. reliable sources of energy

4.3. wider variety of sources