Climate Crisis

After environmental study, the State Department recently greenlighted the Keystone XL pipeline to be built, but the United States could make a pivotal decision for a different world.

Nature photographer and photojournalist Peter Essick has produced a beautiful, horrifying mirror of our Earth in his new book, “Our Beautiful, Fragile World.”

The bigger question, and the less obvious problem with Kristof's opinion, is whether more of us would do any good for the world.

Governors have declared states of emergencies from Louisiana to New Jersey due to a massive snow and ice storm.

Dennis vanEngelsdorp: While an outright ban on insecticide use would be shortsighted and harmful to agricultural production, home gardeners should not use insecticides, fungicides and pesticides - the ideal …

Hundreds of college students are expected to risk arrest on March 2 outside the White House to pressure President Obama to reject the Keystone XL tar sands oil pipeline …

What does a non-commercial, environmentalist, radical wedding look like?

A series of recent developments highlight the way we are losing ground in the epic struggle to slow global warming.

The definition of “geoengineering” will determine what technologies and practices will help govern a global-scale climate tweak.

For the State Department to suggest that the Keystone XL pipeline will not have a negative impact on the environment is like Walter White telling Phillip Seymour Hoffman that …