The orca whale, profiled in the 2013 documentary 'Blackfish,' became a symbol of the cruelty of captivity for animal-rights activists and much of the public.
Antarctica's Larson C shelf is about equal to the area to the state of Delaware. Its collapse into the sea might be imminent.
There might be less than three dozen vaquitas in existence. US Navy-trained dolphins could help find them in order to help protect their endangered population.
Over the course of a 10-year study, University of Washington researchers found that human development caused 'divorce' – and had a negative impact on reproduction – for some songbird species.
Moose are dying at an alarming rate across the continental United States, and scientists are studying environmental variables to determine how to best support the population.
Parts of Africa face one of the worst droughts in a century. Alongside needed food aid, new farming methods may offer a longer-term response – and lighten domestic burdens for women.
The island nation has little water of its own but is determined to shed a reliance on water imports. One key is water recycling, alongside desalination and catchment.
More-intense rains increase mudslide risks in a region known for its steep terrain. Possible responses include preserving lemon groves and testing an early-warning system.
President Obama established two areas in southern Nevada and Utah as national monuments, adding to his environmental legacy. But will Congress allow these recent designations?
A new study urges officials to change the status of cheetahs from 'vulnerable' to 'endangered.' The big cats have been pushed out of 91 percent of their historic habitat.
As climate change raises the prospect of more open Arctic waters, Maine is hoping to take advantage, economically and culturally.
For the first time, the costs of wind and solar power have dropped to match those of fossil fuels. Environmental advocates hope that could make businesses more likely to opt for renewable energy sources when calculating their costs.
Oil companies and Arctic communities have long sought prosperity through resource extraction. Plans announced by Barack Obama and Justin Trudeau imply more focus on tourism and sustainability.
The TanSat satellite will track carbon dioxide emissions, which China has committed to cutting as part of the Paris climate agreement.