If you use keywords to drive Web traffic, take note. Yahoo has released its top 2007 search trends and the environment has a starring role. The top green search queries in 2007 were:

1. Recycling, 2. Global Warming, 3. Freecycle,  4. Earth, 5. Pollution,  6.  Al Gore, 7. Environmental Protection Agency, 8. Live Earth, 9. Hybrid Cars, 10. Solar Energy

In terms of sheer search volume, residents of New York City proved the most interested in global warming, edging out the environmentally conscious San Francisco Bay Area. When it came to hybrid cars, Los Angeles posted the most searches.

Via: Hugg.