Whale watchers say sightings of humpback whales in the New York area have increased in recent years, but it’s still unusual to spot one in the Hudson River.
Donald Trump won't be the first person to lead a Western democracy after a campaign dismissive of climate change. Canada and Australia have been there before.
Arctic sea ice has been on a consistent decline for years. But until recently, Antarctic sea ice was actually expanding. What's happening?
Both oil company officials and environmental groups say that Trump would not be able to quickly lift the five-year plan.
The number of dead trees in California has doubled over the past year. Government and environmentalists are looking for solutions to preserve forests while protecting people from falling trees or wildfires.
Here's why the US election outcome became the worried focus of climate diplomats gathered in Morocco. And here's why they're not giving up on making headway against greenhouse emissions.
Some of the world's poorest nations announced their plan to keep climate change under 1.5 Celsius, as they urge wealthier nations to boost funding.
Barack Obama showed how a president can wield broad power over environmental policy. But with a majority of Americans concerned about ciimate change, other forces are also influential.
The Reagan-Bush White House saw climate change differently than Donald Trump. The common lens is one of American power on the global stage.
Opposition to the Dakota Access Pipeline has unified tribes from across America. Some here believe this protest is becoming something bigger – a turning point for both native Americans and the climate movement.
A new study found that in 2006 and 2013, up to 80,000 reindeer died of starvation as a result of warmer and wetter seasons.
Former French President Sarkozy calls for trade penalties on the US if it pulls back from carbon-reduction commitments. But many prefer a 'carbon club' strategy that maximizes the benefits of participation.
In this edition: Whoever is president, individual Americans can still do something about emissions; the big tasks facing global climate diplomats in Marrakech; the hottest five-year span on record.
Conservationists and wildlife officials have clashed over whether to delist the bears, and how to manage grizzlies if they do lose Endangered Species Act protections.
Speaking to delegates at UN climate-change summit, Secretary of State Kerry says marketplace forces and public opinion give the president-elect cause to reconsider his stance opposing the Paris agreement.
Fish die-offs may look alarming, but many environmental experts say that despite the gruesome appearance of the event, there is nothing to worry about.