As an ambitious program in Colombia demonstrates, combining grazing and agriculture with tree cultivation can coax more food from each acre, boost farmers’ incomes, restore degraded landscapes, and make farmland more resilient to climate change.

Scientists are trying to understand if the unusual weather in the Northern Hemisphere this winter — from record heat in Alaska to unprecedented flooding in Britain — is linked to climate change. One thing seems clear: Shifts in the jet stream play a key role and could become even more disruptive as the world warms.

With a massive dam under construction in Laos and other dams on the way, the Mekong River is facing a wave of hydroelectric projects that could profoundly alter the river’s ecology and disrupt the food supplies of millions of people in Southeast Asia.

With hydraulic fracturing for oil and gas continuing to proliferate across the U.S., scientists and environmental activists are raising questions about whether millions of gallons of contaminated drilling fluids could be threatening water supplies and human health.

As these photographs and illustrations show, architect David Waggonner has decided that the best way to protect low-lying New Orleans is to think about water in an entirely different way.

Companies with bad environmental records are increasingly turning to a little-known nonprofit called TFT to make sure they meet commitments to improve their practices. It remains to be seen if this is just a PR move or a turning point for corporate conduct.

Research shows that biochar made from plant fodder and even chicken manure can be used to scrub mercury from power plant emissions and clean up polluted soil. The big question is whether biochar can be produced on a sufficiently large scale to slow or reverse global warming.

In a Yale Environment 360 interview, the outspoken executive director of Greenpeace discusses why his organization’s activists braved imprisonment in Russia to stop Arctic oil drilling and what needs to be done to make a sharp turn away from fossil fuels and toward a green energy economy.

University of Oregon law professor Mary Wood says environmental laws in the United States are simply not working. In an interview with Yale Environment 360, she explains why she believes a new strategy and robust judicial intervention are needed to protect nature and the climate.

Photographer Peter Essick has traveled the world documenting the causes and consequences of climate change. In a Yale Environment 360 photo essay, we present a gallery of images Essick took while on assignment in Antarctica, Greenland, and other far-flung locales.

From Britain to the Czech Republic, European nations have been restoring rivers to their natural state — taking down dams, removing levees, and reviving floodplains. For a continent that long viewed rivers as little more than shipping canals and sewers, it is a striking change.

Endangered North Atlantic right whales are disappearing from customary feeding grounds off the U.S. and Canadian coasts and appearing in large numbers in other locations, leaving scientists to wonder if shifts in climate may be behind the changes.

After three decades of unbridled economic growth and mounting ecological problems, China and its new leadership face a key challenge: cleaning up the dirty air, polluted water, and tainted food supplies that are fueling widespread discontent among the country’s burgeoning middle class.

The Peace-Athabasca Delta, one of the world’s largest freshwater deltas, is facing major change as rising temperatures, a prolonged drought, and water withdrawals for Alberta’s tar sands industry threaten to increasingly dry out this vast expanse of waterways and wetlands.

Marine phytoplankton are vital in absorbing ever-increasing amounts of CO2 from the atmosphere. In a Yale Environment 360 interview, researcher Tracy Villareal explains how he is using remotely operated robots to better understand how this process mitigates climate change.

China is engaged in a push to build hydroelectric dams on a scale unprecedented in human history. While being touted for producing lower-emission electricity, these massive dam projects are wreaking havoc on river systems across China and Southeast Asia.

One year after Hurricane Sandy devastated parts of the U.S. East Coast, the government is spending billions to replenish beaches that will only be swallowed again by rising seas and future storms. It’s time to develop coastal policies that take into account new climate realities.

As Bangladesh makes a controversial turn to coal to produce electricity, the construction of a large coal-fired power plant is threatening the fragile ecosystem of the Sundarbans, the world’s largest mangrove forest.

Traveling throughout China, from the Tibetan Plateau to the lush subtropical forests in the south, a photojournalist documents the vast scope of the country's environmental challenges.

With the dismantling of two dams on Washington state’s Elwha River, the world’s largest dam removal project is almost complete. Now, in one of the most extensive U.S. ecological restorations ever attempted, efforts are underway to revive one of the Pacific Northwest’s great salmon rivers.