I keep seeing TED talks referenced here and there. I really need to start checking that site more often. Here are a couple of cool presentations.

Amory Lovins on winning the oil endgame (sure to enrage all you car-haters out there):

Reader support makes our work possible. Donate today to keep our site free. All donations DOUBLED!

Larry Brilliant makes the case for optimism, or at least that’s what the talk is called — I watched it, and actually he makes an incredibly powerful case for pessimism, followed by a much weaker case for optimism:

Here David Keith talks about shooting sulfur particles up into the atmosphere to slow global warming — the good and the bad. He comes down against it, but on the way he’s incredibly informative:

Grist thanks its sponsors. Become one.