Currents

The Clean Air Act will be put to work as Lisa Jackson has finalized the first global warming pollution standards for large smokestack industries.

During the week of May 17, people across the country are hosting Green Cleaning parties where they"ll teach their friends and family how to mix their own safe and effective surface cleaners, laundry detergents and more.

Worries about the failure of the oil spill cleanup in the Gulf of Mexico include fears about the chemical dispersants BP is using.

If oil company BP was to blame for the massive oil spill in the Gulf of Mexico, it was the Interior Department, headed by Ken Salazar, that was responsible for green-lighting the Deepwater Horizon oil rig behind the disaster.

Mother’s Day is just behind us, and Father’s Day just in front. So what are some ways as parents we can take active steps to curb consumption and go easy on the earth?

Sierra Club’s Trails wiki brings together a wealth of user experiences, photos and more.

This past Earth Day, April 22, B-Cycle opened the first U.S. city-wide bike sharing program in Denver, Colorado.

Plans to expand solar power in the United States look a lot different from my seat in a cafe near Tiananmen Square in China than from my office in Northern California, where I am the CEO of one of Americas larger solar power companies.

Rangeland ecosystems cover one-third of the land area in the U.S. and hold enormous potential for sequestering global warming-causing carbon emissions.