An Indian street dweller prepares food on the streets of Kolkata. A growing number of scientists say that reducing black carbon — mostly soot from burning wood, charcoal and dung — would have an immediate and powerful impact on climate.
Politically, climate change is off this year's campaign agenda. Jobs, the economy and social issues are front and center.
But scientists are working as hard as ever to figure out how much the Earth is warming and what to do about it. Some now say it's time for a new strategy, one that gets faster results.
Talk to Durwood Zaelke, for example. Zaelke is a grizzled veteran of the climate wars: He was in Kyoto in 1997 when the world's nations drafted a treaty promising to curb warming, and he has watched that promise fizzle while the planet's temperature continues to rise.
The "Battle Over Bain" has become a hot topic at the U.S. Chamber of Commerce, a key player in politics.
U.S. Chamber of Commerce President Tom Donohue says he is "disappointed" that some GOP presidential candidates are attacking front-runner and former Massachusetts Gov. Mitt Romney for his work at Bain Capital in the 1990s.
This is TALK OF THE NATION. I'm Neal Conan, in Washington. It's now almost four decades since the Supreme Court's famous and controversial ruling that legalized abortion. In recent years, opponents have stepped up efforts to challenge Roe v. Wade in Congress and state legislatures, in court and at the ballot box, last year in particular.