Is renewable energy worth the cost? This is a question being debated in Paris this week. Though there's no simple answer, in South Africa the verdict is in.
Armed with a Ph.D from Columbia University, Ousmane Ndiaye wants to tell farmers when the rain will (and won't) fall. But he's the first to say he's not always right.
Many large businesses accept climate change. That creates another challenge: a split with many Republican allies in Congress who are still fighting the debate over climate science.
Bartenders are finding novel ways to reuse leftover wine and spent ingredients from cocktail-making. It's just one part of a nascent movement toward sustainability in the industry.
Delegates from nearly 200 countries will continue to talk past the original Friday night deadline, and hope to have an agreement Saturday. Conflicts over money and oversight remain as sticking points.
Negotiations at the Paris climate summit will be wrapping up soon and a global agreement is expected this weekend. A deal signed in Paris would come into being in 2020.
It's been 17 years since the Koyto climate talks. What have environmental groups learned about advocacy, lowering expectations and the realities of international politics, government and business?
Tens of thousands of people flew to Paris for the U.N. climate summit. Flying emits a lot of carbon. How to deal with the contradiction? NPR's Ari Shapiro finds one answer. It cost a dollar.
The Climate Technology Centre and Network is like a green-tech dating agency. Nations with problems are matched with those that have solutions. More than 40 countries so far submitted help requests.
Secretary-General Ban Ki-moon told women to "get cross" if they see gender inequality. The male-female ratio at the Paris Climate Conference makes our writers very "cross."