Allowing large factory farms and other industrial agricultural operations to sell pollution credits to other sources doesn't reduce the overall amounts of poisons polluting our air and invading our watersheds, including the Chesapeake Bay.

The truth is that fracking is no way to address climate change.

When President Obama retreated from a tougher stance on smog last month, his Environmental Protection Agency chief had formally concluded that the existing standard endangered thousands of Americans, including children and people with respiratory ailments.

WASHINGTON -- In a boost for grassroots efforts pressuring the Obama administration to block approval of TransCanada's Keystone XL oil pipeline, the h...

Mercury is poisoning both our air and our water -- big time. Even if you don't live right near a coal plant, the wind drifts. There's too much at stake.

After twenty years of delay, American Electric Power wants America to wait another six years before we limit toxic mercury from some power plants -- and they want to delay limits on a host of other dangerous pollutants.

As smart meters are installed in homes, the real-time information they generate will empower consumers to better control their energy use and realize the cost-savings that the smart grid can deliver.

These days, the need for private sector leadership is greater than ever. And the good news is that even in the midst of a global recession, Corporate America hasn't shied away from investing in environmental initiatives.

If we are going to de-carbonize our economy, we have to de-polarize the politics surrounding the conversation. No major environmental law has ever passed without substantial bipartisan support.

Prop 23 proponents inaccurately claim that the growth of solar, wind, and other sources will raise energy rates sky high. In actuality, studies show that California households will reap significant savings from higher energy efficiency.

Jen Snook found that AT&T's equipment rooms were lighted roughly half the time, but occupied less than 10% of the time. By installing occupancy sensors, she helped AT&T cut its energy use up to 80%.

The dilemma of whether or not to eat seafood that could be tainted by the oil spill reminds me of how I felt about living in New York City in the aftermath of Sept. 11.

Animal tests are expensive and time consuming, and their relevance is often questioned by stakeholders on one side or the other, leading to disputes over which chemicals represent a real threat.

We need an official, approved and legislated policy on carbon reduction and we need it now.

No company should be given a free pass in today's transparent society. But environmental groups must also engage companies, when we can, to apply their corporate clout in service to the environment.

The World Bank yesterday approved a $3.75 billion loan to South African public utility Eskom to fund what will become the world's seventh-largest coal...

NEW YORK - Wal-Mart Stores Inc. wants its suppliers to reduce 20 million metric tons of greenhouse gas emissions by the end of 2015. The world's la...

COPENHAGEN -- Negotiators have all but completed a sweeping deal that would compensate countries for preserving forests, and in some cases, other natu...

I think that we have passed the level at which you're going to get effects that we do not want or that we want our children to have to bear.