Two-thirds of US states may be putting their electricity consumers at financial risk because of an overreliance on natural gas.

For nearly three decades, many of the world's largest fossil fuel companies have knowingly worked to deceive the public about the realities and risks of climate change.

We are essentially divested from fossil fuels, and did so without changing our investment strategy.

Scientists support the FDA's proposal to give added sugar its own line on the Nutrition Facts Label. The food industry? Not so much.

When trade groups work to block effective climate policy, we need to hold their member companies accountable. Current policies make this harder than it should be.

Who owns the world’s tropical forests, and how is this changing?

The United States can significantly increase renewable energy while maintaining a reliable, affordable, and cleaner energy system.

Businesses can take a number of steps to ensure that their goods and services help preserve our climate and tropical forests — and you can help.

As many as 353 coal-fired power generators are no longer economically viable.

The data so far are inconclusive.