Scientists are conducting a lab experiment to help solve a key riddle: the role of clouds in climate change. In an interview with Yale Environment 360, research leader Jasper Kirkby discusses the mysteries of clouds and why it’s important to know if clouds are contributing to global warming.

Don’t expect the U.S. Congress to take any action on climate change in the next four years. But by continuing to use its regulatory authority and working with the states, the Obama administration can make significant progress on reducing greenhouse gas emissions.

Conservation organizations are working with industry to try to make beef production more sustainable. But some are questioning whether green groups should be accepting funds from the beef industry or whether they should instead be urging consumers to stop eating beef.

Martha Schwartz, a professor at Harvard’s Graduate School of Design, explains in a Yale Environment 360 interview how creative landscape architecture can help cities become models of sustainability in a world facing daunting environmental challenges.

The rapid development of Alberta’s tar sands has spawned a new proposal for a 731-mile pipeline that would transport oil to the British Columbia coast. The project is strongly opposed by conservationists and First Nations leaders, who fear the environmental risks it would bring.

The killing of rhinoceroses has escalated dramatically, especially in South Africa, which is home to 75 percent of the world’s rhino population. The slaughter is being orchestrated by brazen, highly organized gangs that smuggle the rhinos' horns to black markets in China and Southeast Asia.

With a new round of climate negotiations about to get underway, Christiana Figueres, head of the United Nations climate organization, explains in a Yale Environment 360 interview why, despite the obstacles, she thinks the world community is slowly inching its way toward an agreement.

Years of sanctions against Myanmar’s military regime helped protect its extensive wild lands. But as the country’s rulers relax their grip and welcome foreign investment, can the nation protect its forests and biodiversity while embracing development?

Climate change received scant attention in the election campaign. But with public concern about global warming growing in the wake of Hurricane Sandy, President Obama has an unprecedented opportunity to take bold action on climate and clean energy.

Given the failure of international climate negotiations, a tax on carbon consumption is the most effective way of lowering CO2 emissions. If nations are serious about addressing climate change, then they must pay for the carbon pollution caused by what they consume.

New York City had been gradually preparing for a world of rising seas and more powerful storms. But the devastation caused by Hurricane Sandy is now forcing officials to consider spending billions of dollars on storm protection, including a network of surge barriers.

Researchers have been documenting the deadly threat that fishing lines and ropes pose to large whales that become entangled in them. Now, new studies are pointing to another disturbing fact: the ensnared whales endure enormous pain and prolonged suffering.

The concept of pricing ecosystem services and allowing them to be bought and sold has gained wide acceptance among conservationists in recent years. But does this approach merely obscure nature’s true value and put the natural world at even greater risk?

With Arctic summer sea ice rapidly disappearing, the native Inuit of Canada are encountering not only unsettling changes in their subsistence way of life, but also a growing number of outsiders who will further transform their once-isolated homeland.

Taxonomist Quentin Wheeler is calling for a concerted effort to classify the millions of unidentified species in the world. In an interview with Yale Environment 360, he talks about the new field of “cybertaxonomy” and how it is harnessing the Web to speed up the effort to catalog life on earth.

Fueled by a rising demand for ivory, the mass killing of African elephants has reached extraordinary levels. In an interview with Yale Environment 360, New York Times reporter Jeffrey Gettleman discusses his in-depth investigation of the deadly ivory trade, which involves the U.S.-backed military forces of several African nations.

As the U.S. presidential campaign enters its final phase, Yale Environment 360 compares the sharply divergent views of President Barack Obama and Mitt Romney on the environment and energy.

Mega-dams and massive government-run irrigation projects are not the key to meeting world’s water needs, a growing number of experts now say. For developing nations, the answer may lie in small-scale measures such as inexpensive water pumps and other readily available equipment.

The invasive Burmese python has altered ecosystems in Florida’s Everglades, decimating populations of native animals. In an interview with Yale Environment 360, python expert Michael Dorcas describes the ecological damage these huge snakes have caused and why it will be nearly impossible to get rid of them.

The amount of time it takes to recharge lithium-ion batteries has been a major impediment to consumer acceptance of electric vehicles. But a host of companies and researchers are working intensively to develop a battery that can recharge in 10 minutes and power a car for hundreds of miles.