Illegal logging and unchecked economic development are taking a devastating toll on the forests of Vietnam and neighboring countries, threatening areas of biodiversity so rich that 1,700 species have been discovered in the last 15 years alone.

In the wake of the 2011 tsunami, the Japanese government is forgoing an opportunity to sustainably protect its coastline and is instead building towering concrete seawalls and other defenses that environmentalists say will inflict serious damage on coastal ecosystems.

Climate scientist Ralph Keeling has followed in the footsteps of his father, who pioneered the measurement of carbon dioxide in the atmosphere. In an interview with Yale Environment 360, the younger Keeling talks about the implications of crossing an alarming CO2 threshold this month.

New research shows that humans have been transforming the earth and its ecosystems for millenniums — far longer than previously believed. These findings call into question our notions about what is unspoiled nature and what should be preserved.

Along the shores of New York Harbor, scientists are investigating whether this ubiquitous bivalve can be grown in urban areas as a way of cleansing coastal waters of sewage, fertilizers, and other pollutants.

The California condor, the largest bird in North America, was saved from extinction by a captive breeding program that increased its numbers in the wild. But now the condor is facing a new and pernicious threat — the lead from bullets used by game hunters.

In a Swedish fjord, European researchers are conducting an ambitious experiment aimed at better understanding how ocean acidification will affect marine life. Ultimately, these scientists hope to determine which species might win and which might lose in a more acidic ocean.

From North America to Siberia, rising temperatures and drier woodlands are leading to a longer burning season and a significant increase in forest fires. Scientists warn that this trend is expected continue in the years ahead.

Electric bicycles are already popular in Europe and in China, which has more e-bikes than cars on its roads. Now, manufacturers are marketing e-bikes in the U.S., promoting them as a \"green\" alternative to driving.

In an online debate for Yale Environment 360, Elliot Entis, whose company has created a genetically modified salmon that may soon be for sale in the U.S., discusses the environmental and health impacts of this controversial technology with author Paul Greenberg, a critic of GM fish.

The Danish capital is moving rapidly toward a zero-carbon future, as it erects wind farms, transforms its citywide heating systems, promotes energy efficiency, and lures more people out of their cars and onto public transportation and bikes.

A consensus is emerging among scientists that the rate of global warming has slowed over the last decade. While they are still examining why, many researchers believe this phenomenon is linked to the heat being absorbed by the world’s oceans.

Fishways on rivers in the U.S. Northeast are failing, with less than 3 percent of one key species making it upriver to their spawning grounds, according to a new study. The researchers’ findings provide a cautionary tale for other nations now planning big dam projects.

Ontario is on the verge of becoming the first industrial region in North America to eliminate all coal-fired electrical generation. Here’s how Canada’s most populous province did it — and what the U.S. and others can learn from it.

A new census found this winter’s population of North American monarch butterflies in Mexico was at the lowest level ever measured. Insect ecologist Orley Taylor talks to Yale Environment 360 about how the planting of genetically modified crops and the resulting use of herbicides has contributed to the monarchs’ decline.

A new study finds that household lead paint — banned for years in the U.S. and Europe because of its health effects on children — is commonly sold in the African nation of Cameroon. Is lead paint the latest case of Western companies selling unsafe products in developing countries?

An expanding body of evidence shows that the presence of field biologists and their assistants is playing an important part in deterring poaching, illegal logging, and other destructive activities in the world’s parks and wildlife reserves.

The world’s largest living species, native to California’s Sierra Nevada, faces a two-pronged risk from declining snowpack and rising temperatures. The threat to sequoias mirrors a growing danger to trees worldwide, with some scientists saying rapid warming this century could wipe out many of the planet’s old trees.

Stanford University scientist Barbara Block heads a program that has placed satellite tags on thousands of sharks, bluefin tuna, and other marine predators to better understand their life cycles. Now, using data available on mobile devices, she hopes to enlist public support for protecting these threatened creatures.

U.S. climate activists have launched a movement to persuade universities, cities, and other groups to sell off their investments in fossil fuel companies. But while the financial impact of such divestment may be limited, the campaign could harm the companies in a critical sphere — public opinion.

Matthew Tejada is taking over the EPA’s Office of Environmental Justice after helping low-income communities in Houston fight air pollution in their neighborhoods. He talks to Yale Environment 360 about how his work in Texas prepared him for the challenges of his new post.