A researcher counts fish near a coral reef at Palmyra Atoll, south of the Hawaiian Islands, in 2005. (Rick Loomis / Los Angeles Times)

They are the lifeblood of our planet, responsible for more than half of the oxygen we breathe. They regulate the climate, provide a major source of protein for 3 billion people, and millions of livelihoods — including 1 of every 6 jobs in the United States — are connected to the marine environment...

The 'Living Classroom' building in Swansea powers itself using the sun and innovative renewable technology SPECIFIC Innovation and Knowledge Centre

The heating system for the entire structure uses the same amount of power as five old-fashioned, incandescent light bulbs...

When the mercury surges, people die. A heat wave in 2015 melted asphalt in New Delhi, India, and caused the deaths of at least 2,500 people. Credit Harish Tyagi/European Pressphoto Agency

ONE of Donald Trump’s 100 wackiest ideas is that climate change is a hoax fabricated by China to harm America...

AsapScience video warns about the effects of climate change, which could include rising sea levels, mass population displacement and lack of marine life habitats...

The Northeast Public Power Association's annual conference last month featured a climate denialist as the speaker in its only session on climate change, raising questions and concerns among some members. Credit: The Everett Power Plant in Massachusetts/Todd Van Hoosear via flickr

Are some utilities managers, even in pro-climate New England, so far behind the science that they would invite a speaker arguing fossil fuels don't warm the planet?

Video: A Look at New York's Not-So-Distant Future

A possible look at New York in the not-so-distant future...

A speculative rendering showing what a hundred-year storm could briefly do to the Meatpacking District decades from now, when sea levels have risen several feet. Photo-illustration: MDI Digital

Even locals who believe climate change is real have a hard time grasping that their city will almost certainly be flooded beyond recognition...

Monthly September ice extent for 1979 to 2011 shows a decline of 12.0% per decade...

Slash-and-burn forest clearing along the Rio Xingu (Xingu River) in the state of Mato Grosso. Photo via Wikimedia Commons.

For three months, from September to December 2015, Manaus was engulfed in smoke, resembling Beijing. That was an unusual scene, and an undeniable sign that predatory exploration in the Brazilian Amazon has not yet been properly tackled...

WE’VE ALL BEEN THERE...

Economic and national security top the list of concerns for most voters two months out from the Nov. 8 general election...

Republican Attorney General Scott Pruitt of Oklahoma. Credit: Gage Skidmore, CC BY-SA 2.0

Just one week before Republican state attorneys general asked federal courts to reject the EPA’s Clean Power Plan, which requires states to regulate emissions from electricity generation, they met privately — for a handsome fee — with energy companies Murray Energy and Southern Company, which are also suing to halt the plan’s implementation...

A 2013 wildfire in Yellowstone National Park. Source: National Park Service/Flickr

Trees are dying across Yosemite and Yellowstone national parks. Glaciers are melting in Glacier Bay National Park and Preserve in Alaska. Corals are bleaching in Virgin Islands National Park. Published field research conducted in U.S. national parks has detected these changes and shown that human climate change – carbon pollution from our power plants, cars and other human activities – is the cause...

An area of the Amazon rainforest which has been slashed and burned stands next to a section of virgin forest. Photograph: Ricardo Moraes/Reuters

Experts warn there may be no unspoilt places left within a century as report shows an area twice the size of Alaska has been lost since 1993...

The crater and the lake of the Poas volcano in Costa Rica (Shutterstock)

Costa Rica is pulling off a feat most countries just daydream about: For two straight months, the Central American country hasn’t burned any fossil fuels to generate electricity. That’s right: 100 percent renewable power...

In an exclusive interview on his legacy, President Obama speaks to The Times’s Mark Landler and Coral Davenport on climate change while visiting Marine Corps Base Hawaii. By A.J. CHAVAR, BEN LAFFIN, MARK LANDLER and CORAL DAVENPORT on Publish Date September 8, 2016. Photo by A.J. Chavar/The New York Times.

“If the current projections, the current trend lines on a warming planet continue, it is certainly going to be enormously disruptive worldwide.”

Photo by Nick Hawkins

New studies suggest that protecting tapirs and other large seed-eating mammals is key to preserving carbon storage in rain forests...

credit: Weather Channel

Why is it so hard to say what the future North European climate will look like? A recent review paper by Shaw et al, 2016 explains the reason in persuasive terms...

credit: HuffingtonPost

Convenience often comes at the expense of the environment...