Do you think that it is even possible that we could live in a sustainable way at this point? In other words,even if our population growth decreased and each member of society was willing to contribute to sustainable living and protecting the environment, could the earth still be "saved" from depletion of natural resources? What kind of drastic measures do you think it would take?

Answer 1

We need to find alternatives to fossil fuels. I believe that wind and solar power provide part of the answer.

Answer 2

Geothermal energy is another that needs to be explored.

Geothermal power - Wikipedia, the free encyclopedia This geothermal energy originates from the original formation of the planet, .... Chevron Corporation is the world's largest producer of geothermal energy. ...
http://en.wikipedia.org/wiki/Geothermal_power

Geothermal Energy The word geothermal comes from the Greek words geo (earth) and therme (heat). So, geothermal energy is heat from within the earth. ...
http://www.eia.doe.gov/kids/energyfacts/sources/.../geothermal.html