How big is the BP Gulf oil gusher?

That green spot off the familiar Louisiana-Mississippi delta shows the story as of yesterday.

Google has provided the tools to visualize the extent at the link.

All most of us can do is watch in horror -- and try to create the political momentum to prevent further resource extraction that kills the planet.

UPDATE: And here's what the escaping oil looks like, provided by Congressional overseers, Rep. Edward Markey and Rep. Henry Waxman.