The giant sequoia that fell Sunday bore the scars of 19th century tourism. But it endured thanks to hard work by conservationists. Now, climate change and land policy changes pose new threats for giant trees.
While 2012's heat record still stands, the breadth of near-record heat across the continental United States is unprecedented.
In this edition: How drought-resistant farming methods have the potential to improve women's lives in Lesotho; lead testing on the rise in schools; digging into data on climate-change 'hiatus.'
Green grass is slowly losing ground as the archetypal landscape of Southern California. The populous region, adapting to a changing climate, will rely less on melting snowpack from afar.
The agreement between the state and the plant owner comes as New York will invest billions in the upgrade of nuclear power plants upstate.
Beijing announced several new measures aimed at curbing the country's smog problem on Saturday, including a new environmental police force, shutting down the city's only coal-fired power plant, and supplying cleaner gas and diesel to fuel stations.
The aquatic entertainment park's long-running orca show will be performed for the last time on Sunday.
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.
In this edition: How urban parks increasingly double as relief valves when extreme rains hit; Maine sees its future increasingly intertwined with a warming Arctic; the message behind an offshore drilling ban.
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.