For the third consecutive year, it's the hottest year ever. A climate scientist explains how these predictions are made and why they're completely different from forecasting the weather.
Infrared cameras are the technology of choice for detecting gas leaks across the US. New research shows that these cameras can be quite inaccurate, and leaks can persist without being detected.
A new US seafood import rule requires supplier countries to control accidental bycatch of whales, seals and other marine mammals – showing that global trade and conservation can reinforce each other.
Scholars of communications pick apart the rhetoric behind the 'war on coal' and explain why it ultimately benefits the coal industry.
One of the environmental legacies of the Obama administration is ocean reserves. Two ocean scientists explain why these are a critical but not sufficient piece of conservation.
A Native American scholar explains why so little has changed despite the apparent victory of protesters opposing the North Dakota Access Pipeline protest.
What place does hunting have in our urbanized society? Is it acceptable to kill for fun? For conservation? Philosophy doesn't have all the answers, but it can help us understand opposing views.
Economists have shown, using both theory and data, that uncertainty about U.S. environmental policies makes clean tech innovation less likely.
At many Spanish missions in the US and Latin America, the rising sun illuminates the altar on the winter solstice or other symbolic days. To the faithful, these events meant that Christ was with them.
Rising use of e-commerce is clogging city streets with delivery trucks, especially during holidays. To manage this traffic, cities need smart strategies for modernizing their urban freight systems.
Legal scholars explain why a lawsuit by 21 young people against the US government, arguing for a constitutional right to a stable climate, is such a powerful idea.
Most Americans care about the environment, but they didn't vote that way this year. Two political scientists urge the movement to build better connections with blue-collar workers and immigrants.
With a Trump administration hostile to action on climate change, businesses need to go beyond just complying with environmental regulations and take on the whole system.
Low-income residents in Puerto Rico are fighting disposal of toxic coal ash in their communities. They're also campaigning to shift from coal energy – the source of the problem – to solar power.
The hostility of Scott Pruitt, Trump's nominee to head the EPA, toward climate change rules is well-known. But his anti-regulatory stance could easily set back years of work on environmental justice.
Although Donald Trump has called climate change a hoax invented by China, Chinese leaders believe cutting carbon emissions will generate economic and political payoffs at home and abroad.
A retired rear admiral warns President-elect Trump against cutting NASA's Earth observations, which provide essential data for weather forecasters, businesses, scientists and the armed forces.
Plant-eating fish control the spread of seaweed and algae on coral reefs. New research explaining why populations of these fish vary from site to site could lead to better reef protection strategies.
Citizens and activists are using cheap off-the-shelf sensors to collect their own data on air pollution. It's a promising trend, but these devices have serious technical limitations.
Many thousands, perhaps millions, of lives depend on the direction of Trump's climate policies.
Recent global climate talks at COP22 saw a growing role for businesses, NGOs and the state of California – a promising sign for action on climate change in the face of U.S. inaction.
REI's 'Opt Outside' campaign makes a virtue of shunning Black Friday and hiking instead of shopping. But while outdoor retailers preach sustainability, they still fuel our consuming habits.
The 'war on coal' is not really a result of onerous regulations but a combination of market forces over which a Trump administration has limited control.
For three years, carbon emissions from fossil fuels have grown little or not at all, opening a window of opportunity to halt climate change.
The final weeks of 2016 would need to be the coldest of the 21st century to avoid it becoming the hottest year.
Study shows the footprint of climate change is already vast and that species are trying to adapt to rising temperatures.
Some areas expecting big environmental changes already have large, vulnerable populations.
Thousands of seabirds die every year from consuming plastic trash in the oceans. But why do they eat plastic? New research shows that it produces odors that help some species find prey.
Negotiators face a daunting task at the COP22 climate talks in Marrakesh: Build on the momentum of Paris and resolve difficult questions over money for poor countries.
Experts agree that a new era for climate policy here. But the hard work starts now.
Daylight saving time advocates say it conserves energy and wins wars. But studies show that injuries and illnesses rise when we switch the clocks. One solution: staying on DST year-round.
As the vaquita porpoise heads towards extinction, new management measures in Mexico still may have missed the point -- affecting not one but two critically endangered marine species.
Warming waters due to climate change are losing oxygen, threatening the health of fish and ecosystems.