A recent study in Chinese cities found a potential link between a hazardous mix of air pollutants and death rates.

A boundary that divides the humid eastern U.S. and the dry western Plains appears to have shifted 140 miles to the east over the past century due to global warming, new research suggests

Protecting elephants from poachers in a reserve larger than Switzerland is no simple task.

The global water and sanitation crisis is not a new story. Each World Water Day, we review the sobering statistics with which we are becoming all too familiar: the expected 40 percent gap in global water supply and demand by 2050.

The Florida torreya is North America’s most endangered conifer, with less than one percent of its population remaining.

Around 8 million tons of plastic waste is dumped in the ocean annually.

When it comes to environmental issues such as climate change, it often seems as if there’s no middle ground in America anymore

Tens of millions of people in some of the world's poorest areas could be displaced by climate change in just a few decades, the World Bank has warned in a report.

With a growing list of adopters and endorsers, Environmental Defense Fund, Meloy Fund and Encourage Capital launched new guidelines for investing in global fisheries to drive needed capital into scaling sustainably managed fisheries and restoring our oceans to abundance.

Since early 2015, a mid-sized car ferry, the MS Ampere, has been traversing the Sognefjord in western Norway from early morning to evening, seven days a week — without a whiff of smokestack exhaust or a decibel of engine roar.