The argument that developing countries are taking no action to address climate change is wrong.

The food crises of the present will seem as nothing to those of the future unless the world brings some urgency and intelligence to managing the planet’s nature-based assets.

Ironically, the most ambitious U.S. action in the fight against global warming is coming from big cities and their mayors.

Climate change, national security, and energy are inter-connected through our persistent and growing dependence on fossil fuels. We must address all three.

We are saddened today to hear of the passing of Phil Clapp. Phil was the Deputy Managing Director of the Pew Environmental Group, and founder and President of the National Environmental Trust.

The Olympics are an opportunity for the U.S. and China to better understand each other and move forward together on fighting climate change.

Today a majority of the Senate sent a message to Americans and the rest of the world that they believe the time is now to confront climate change.

We are saddened to hear of the passing of Dr. Bert Bolin. Bert was a former WRI Director, a distinguished atmospheric scientist, and a warm and gentle man.

It was a day later than scheduled, but the 13th U.N. climate change conference (COP-13) in Bali at last came to a close. The world is now breathing a sigh of relief; as late as Saturday, negotiations looked like they would run off the tracks. But Bali gave us only a vague sense of the road ahead, and the only certainty is that the road will be difficult.

Climate change is also changing the political climate. In this International Herald Tribune editorial, Senator John Kerry and I cover current international and U.S. climate change politics, and what must happen in the 13th U.N. climate change conference (COP-13) beginning this week in Bali, Indonesia. Read the editorial.