Clearly, greenhouse gases are going to become a financial issue of increasing significance.

China will soon emit more greenhouse gases than America, but its regime knows if it caps aspirations there will be a revolution.

There's no shortage of Democrats who are at least as committed as Schwarzenegger to reducing greenhouse gases.

Recent warming coincides with rapid growth of human-made greenhouse gases. The observed rapid warming gives urgency to discussions about how to slow greenhouse gas emissions.

You could warm Mars up, over time, with greenhouse gases.

Sending a container from Shanghai to Le Havre emits fewer greenhouse gases than the truck that takes the container on to Lyon.