Art for combatting global warming

Robert Rohde - a PhD student at UC Berkeley - is running the site Global Warming Art and as he is also a contributing Wikipedian makes the content of his new site available under similar generous terms. Here is one recent interactive piece for exploring sea level rises (in the US).

Here is one interesting static image of oil usage per capita in the twenty largest countries. I really like this site and urge you to spend some time there!