Apparently, not all farting is environment-friendly. With a bit of science, however, all farts can become environment-friendly.

In Australia, this is where cutting-edge research happens. According to this article

http://www.abc.net.au/news/stories/2007/12/06/2111509.htm (read more)

What if we could create some kind of artificial partial solar eclipse?

This will reduce the amount of solar energy that gets to the earth.

I think I had read somewhere that some people had come up with the idea of creating large space-blankets that will orbit the earth and reflect sunlight back to the sun. (read more)