Angel Gurría provides his perspective on the crucial need to deliver on present and future water challenges around the world, and advocates for water as a driver of sustainable growth and development…

The Intergovernmental Panel on Climate Change recently released a report that expressed concerns about the serious and immediate consequences of a warming planet.

Experts discuss the foreign policy initiatives of the Obama administration, its successes and failures, and the issues that will become President Obama's lasting legacy.

Michael Bloomberg discusses the threat of international climate change.

Pollution kills nine million people each year and sickens many more, mostly in poorer nations. The global health effects of climate change are less well quantified, but also increasing with lower-inc…