Michael BruneMichael Brune, executive director of the Sierra ClubPhoto: Sierra Club

Editor’s note: The chat’s now over, but you can replay it in full.

Help Grist raise $25,000 by September 30 to further advance our climate reporting

We were all horrified as we watched the catastrophic Deepwater Horizon oil spill unfold. So now what? Champion chatter (and Grist staff writer) David Roberts hosted a pre-Thanksgiving chat with Michael Brune, executive director of the Sierra Club and author of Coming Clean: Breaking America’s Addiction to Oil and Coal on Nov. 23, 2010.