There’s lots of good blogging this week about what our elected (and hoping to be elected) leaders are doing – or at least talking about doing – on climate change:

• David Roberts at Gristmill thinks it’s better to hold out for better federal climate legislation in 2009
• Jonathan Pfeiffer at Science Progress reports on a hearing considering the fate of the polar bear
• Climate Progress applauds a red-state governor for pushing to reduce greenhouse gas emissions
• Jovana at Enviroblog tells us what the leading presidential hopefuls drive (or don’t)
• Richard Littlemore at DeSmogBlog reveals Mitt Romney’s ties to a global warming denier group

Elsewhere:

White Coat Notes, Respectful Insolence, and GoozNews remember cancer researcher and teacher Judah Folkman.

Frances Kissling and Kate Michelman at RH Reality Check look at reproductive rights and health in the U.S. 35 years after the Supreme Court decided Roe v. Wade.

Niko Karvounis at Health Beat relays the SHOCKING news that negative studies of anti-depressants are much less likely to be published in research journals, and explains the workings of these journals to help us put the news in context.

Shirley S. Wang at the WSJ Health Blog explores the dilemmas around “professional guinea pigs.”

Matt Madia at Reg Watch highlights the health costs of delayed regulatory action on lead paint and diesel emissions.

Angry Toxicologist tells us that while cloned beef might be safe, it’s still stupid.

Michael Clemens at Global Development, whose research has been widely cited in stories claiming that Africans are suffering because so many of their medical professionals move overseas, argues that this migration does not actually have deleterious staffing and health consequences for the continent.