Yale e360

When petroleum breaks down in underground aquifers, toxic arsenic — up to 23 times the current drinking water…

After years of fitful starts, the Pacific island nation of Kiribati this month banned all commercial fishing inside its huge marine reserve. New satellite transponder technology is now helping ensure that the ban succeeds in keeping out the big fishing fleets.…

Unable to curb poaching of rhinos within its borders, the South African government has relocated 100 rhinos to…

Researchers have discovered craters left behind when two lakes under the Greenland ice sheet rapidly drained recently — an indication…

Burning wood pellets to produce electricity is on the rise in Europe, where the pellets are classified as a form of renewable energy. But in the U.S., where pellet facilities are rapidly being built, concerns are growing about logging and the carbon released…

Filtering polluted runoff from urban areas through a simple soil mixture dramatically reduced the water's toxic metal and…

As climate change advances, much more should be done to study, preserve, and take advantage of the biological diversity…

The number of tigers living in the wild has dropped to the shockingly low figure of 3,200, down from 100,000 a century ago.…

In an interview with Yale Environment 360, wildlife activist Judith Mills describes how the legal farming of tigers in China is fostering a trade in tiger bone wine and skins that is imperiling the world’s beleaguered population of wild tigers.…

For homeowners in 46 of the 50 largest cities in the U.S., investing in a residential solar power system would yield better returns than putting money in the…

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Despite warnings from scientists, new construction continues on U.S. barrier islands that have been devastated by storms. The flood protection projects that accompany this development can have harmful consequences for coastal ecosystems being buffeted by…

Offshore wind would produce twice the number of jobs and twice the amount of energy as offshore drilling…

The heavy rains and snow that fell across much of California in the first half of December did little to recharge the state's…

From an oil chill in the financial world to the recent U.S.-China agreement on climate change, recent developments are raising a question that might once have been considered unthinkable: Could this be the beginning of a long, steady decline for the oil and…

A group of Maasai farmers in southwestern Kenya has developed a profitable way to convert animal waste and…

The roles of women in traditional societies can be quite different from men’s, and their knowledge of the…

As “gender advisor” at Conservation International, Kame Westerman seeks to include local women’s perspectives and priorities into the planning of projects in developing countries. This approach, she says, can be critical in determining whether a project…

In a survey of physicians in the American Thoracic Society (ATS), the majority of doctors said their patients…

Land disturbances, such as agricultural practices and development, may have a big impact on snow purity and…

The U.S. Congress is preparing to vote on expediting the Keystone XL pipeline. But plummeting oil prices and opposition to other proposed pipelines for tar sands oil are upending the rationale for this controversial project. BY JACQUES LESLIE

A federal judge has stopped the hunting and trapping of gray wolves in the Upper Midwest,…

Penguin Watch, a citizen science project launched by researchers from the University of Oxford in the U.K., is enlisting the…

German cities emit several times less light per capita than similarly sized American cities, according to new research published in the journal Remote Sensing.…

With record drought and warming waters due to climate change, scientists are concerned that the future for Chinook salmon — a critical part of the state’s fishing industry — is in jeopardy in California. BY ALASTAIR BLAND

Historical photographs from the early and mid-1900s have helped researchers from Denmark map the retreat…

The Arctic has been absorbing significantly more sunlight since the year 2000, according to NASA satellite data,…

The city of Madrid has announced plans to renew its entire street lighting system with 225,000 new energy-efficient…

Various studies in recent years have suggested that online shopping typically packs a lower carbon punch than shopping at brick-and-mortar stores. But new research suggests the story is more complicated than that. The key, according to a report in the Journal…

By 2050, most U.S. coastal areas are likely to be threatened by 30 or more days of flooding each year due sea level…