Alternative energy, anyone?

I had a long talk with two inhabitants of Skypeland who peppered me with many questions about what I was doing for the environment and what my ideas were for creating a more environmentally friendly society. I gave about 15 ideas, and they promptly shot them all down, with prejudice. After an hour or two of this, I asked them for their ideas. Guess what ? They didn't have a single solitary idea. Wow...