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Officials and scientists who write and review the nation's chief climate analysis say they are struggling to get across the risks of climate change to policymakers and the public...

In the photo: Glaciologist Jason Box, left, at work on the Petermann Glacier on Greenland's northwest coast, which has lost mass at an accelerated pace in recent years. Box and his family left Ohio State for Europe a couple years ago, and he is relieved to have escaped America's culture of climate-change denial (Photo: Nick Cobbing).

Among many climate scientists, gloom has set in. Things are worse than we think, but they can't really talk about it...

The rise of fracking has reshaped the global energy landscape...

Image credit – The Warrior Online.

We are now officially through half of the United States Presidential election primary and caucus season, and there are currently 5 contenders left in the Republican and Democratic parties vying for their party’s respective nomination. Delegate math shows that Governor John Kasich has no chance to become the Republican nominee, so we’re left with four real candidates to examine...

A solar thermal array in Newcastle, Australia operated by CSIRO, the country's scientific research agency.

Australia has announced plans for a green energy revolution, a sharp reversal from where the country stood just six months ago...

(Photo:pixabay/CC0 Public Domain)

The Climate Reality Project, founded and chaired by former Vice President and Nobel Laureate Al Gore, is dedicated to unleashing a global cultural movement demanding action on the climate crisis... 

Photo: REUTERS/Tom Mihalek

A new study suggests that sea levels will rise much quicker than previously expected — inundating coastal cities worldwide. Above: A man walks through knee-deep water along a flooded West Avenue as a storm comes on shore in Ocean City, New Jersey, Oct. 2, 2015...

It takes courage to stand up to the Government.

Bravo Mr DiCaprio... -JobOneForHumanity.org

The Biloxi-Chitimacha-Choctaw tribe in Louisiana has found money to relocate due to the impact of climate change. Others aren’t so lucky. Photograph: Charlie Varley for the Guardian

In Louisiana, the Biloxi-Chitimacha-Choctaw tribe has been awarded a natural disaster grant to resettle away from their sinking land. But other indigenous Americans have no way out...

A fracking well in the Eagle Ford Shale region, near Karnes City, Texas. (AP Photo / Aaron M. Sprecher)

Our leaders thought fracking would save our climate. They were wrong. Very wrong...

A massive boulder on a coastal ridge in North Eleuthera, the Bahamas. A new research paper claims it was most likely moved there by powerful storms during the last warm period of Earth history, 120,000 years ago, and warns that such stormy conditions could recur because of human emissions of greenhouse gases. Credit Charles Ommanney/The Washington Post, via Getty Images

The nations of the world agreed years ago to try to limit global warming to a level they hoped would prove somewhat tolerable. But leading climate scientists warned on Tuesday that permitting a warming of that magnitude would actually be quite dangerous.

BEIJING, March 23 (Xinhua) -- China's average annual rise in sea level from 1980 to 2015 was 3 millimeters, higher than the global average, according to a report released by the State Oceanic Administration on Tuesday...

U.S. Special Envoy for Climate Change Todd Stern (right) announced yesterday he will step down next month. Replacing him will be his former No. 2, Jonathan Pershing (left), who is currently principal deputy director of the Department of Energy's Office of Energy Policy and Systems Analysis. Courtesy of the International Institute for Sustainable Development.

Jonathan Pershing, who will become the top U.S. diplomat on climate issues next month, has spent the last three years at the Department of Energy working to make the U.S. commitment in Paris easier to achieve...

GREGORY TOWN, BAHAMAS – Climatologist James Hansen on the Eleuthera coastal ridge on Nov. 22, 2015, in Eleuthera, Bahamas. (Photos by Charles Ommanney/The Washington Post)

An influential group of scientists led by James Hansen, the former NASA scientist often credited with having drawn the first major attention to climate change in 1988 congressional testimony, has published a dire climate study that suggests the impact of global warming will be quicker and more catastrophic than generally envisioned...

BARCELONA (Thomson Reuters Foundation) - By eating less meat and more fruit and vegetables, the world could avoid several million deaths per year by 2050, cut planet-warming emissions substantially, and save billions of dollars annually in healthcare costs and climate damage, researchers said...

[Photo by Joe Raedle/Getty Images]

Controversial new research explains why increasing global temperatures could be more dangerous than we thought...

By Climate Central

The long-term warming of the planet, as well as an exceptionally strong El Niño, led to numerous climate records in 2015, including milestones for global temperatures, carbon dioxide levels and ocean heat, according to the World Meteorological Organization’s annual State of the Climate Report...

A winding river snakes its way across a highland tundra valley floor in Greenland above the Arctic Circle. (Photo: Jason Edwards/Getty Images)

Researchers find that hotter temperatures could be setting off dangerous environmental feedback loops...

CREDIT: Dieu Nalio Chery, AP Haiti drought worsened by the El Nino.

Last year saw the biggest jump in global CO2 levels ever measured, as NOAA reported on March 9. Yet in 2015 the world economy grew while energy-related CO2 emissions were flat — for the second year in a row — according to the International Energy Agency, as ClimateProgress reported last week...

A man at at a New York rally calling for action on climate change, a day before the start of the historic COP21 conference in Paris. Photograph: Jewel Samad/AFP/Getty Images

New polling data shows that public concern about climate change is at a new high, as the US emerges from its warmest-ever winter...

Cochin International Airport Solar Panels

Day by day, solar power is becoming a more viable source of energy for homes and businesses. If you need further proof of this, look no further than the Cochin International Airport in India that is now entirely powered by solar energy and pays nothing for electricity. The airport last year installed a solar power system with a 12-megawatt peak (MWp) capacity that added to its previous installation that had a capacity of 1.1 MWp, thus giving it enough solar energy to run the entire airport...

Actor Leonardo DiCaprio holds a Chinese writing brush as he prepares to write his name on stage during a news conference of the movie “The Revenant” at a hotel in Beijing, Sunday, March 20, 2016. DiCaprio on Sunday praised China’s work to combat climate change on a trip to Beijing to promote his movie “The Revenant.” (AP Photo/Andy Wong) VIEW GALLERY

BEIJING (AP) — Leonardo DiCaprio praised China's work to combat climate change on a trip to Beijing on Sunday, and said he believes the world's largest emitter of greenhouse gases could be "the hero of the environmental movement."

Credit: Miroslav Petrasko/Flickr

National leaders have yet to sign a new United Nations climate pact, but developments during the three months since the Paris Agreement was finalized have been feverish...

photo by Dr. Benjamin Horton

Let me get this off my chest – I sometimes get frustrated at climate scientists as they love to talk about uncertainties! To be sure, their work thrives on it...

At China's Wolong National Nature Reserve, the forests in the foreground have regrown since 2000, thanks to a national forest conservation program. Deforested areas are visible in the background. (Photo: Andrés Vina/Michigan State University)

A new study suggests ‘pay to conserve’ programs can help reverse the deforestation crisis—to a point...

An ice-filled fjord near Svalbard, Norway, which experienced a record mild winter in 2016. Image: Getty Images/Moment RF

More all-time global heat records bit the dust this winter than were initially suspected, according to a new and shocking National Oceanic and Atmospheric Administration (NOAA) report released Thursday...

 Subsistence hunters in the Arctic have long taken to the sea ice to hunt seals, whales, and polar bears. But now, as the ice disappears and soaring temperatures alter the life cycles and abundance of their prey, a growing number of indigenous communities are facing food shortages...

A parallel realm of carbon-polluting activity, ranging from email exchanges to social network chatter to streaming movies on smartphones, has slipped largely unnoticed under the climate change radar...

Image Credit: Center for American Progress

Here’s an inconvenient truth for the fossil fuel industry: The majority of Americans accept the scientific consensus that climate change is real and that it is a threat that must be addressed. This includes a majority of Democrats, a majority of Republicans, and a majority of citizens who do not identify with a specific political party...

(Photo : David Greedy/Getty Images) A young student waits for classes to begin at a free school in one of the poorest neighborhoods which surrounds Metro Manila's largest landfill on March 17, 2004 in Payatas, Philippines.

It’s no secret that the Earth is in dire straits. Photos of the waterways in Rio de Janeiro, still reeking of sewage despite a years-long cleanup plan ahead of this summer’s Olympics, prove just how difficult it can be to fix what humanity has fouled...

Merrick Garland, President Obama's Supreme Court nominee

Despite pledges from Senate Republicans to deny a hearing or vote to any nominee this year, President Barack Obama nominated D.C. Circuit Chief Judge Merrick Garland to the U.S. Supreme Court Wednesday morning...

A maize plant among other dried maize in a field in Hoopstad in the Free State province, South Africa. The country suffered its driest year on record in 2015. Photograph: Siphiwe Sibeko/Reuters

Unusually strong El Niño, coupled with record-high temperatures, has had a catastrophic effect on crops and rainfall across southern and eastern Africa...

GraphicsMaps.com

It was a sad, cold day in the Bering Strait on March 12, when a 2,000-square-mile chunk of ice decided it was time to break up with the mass it was likely attached to. It took just two days for the split to fully occur, and thanks to NASA's Worldview near real-time satellite imagery program, we can watch the whole thing like a cringeworthy reality TV breakup...

Submerged cars are seen in Manhattan, New York, after severe flooding caused by Hurricane Sandy, in October 2012 (AFP Photo/Christos Pathiakis)

Paris (AFP) - Rising sea levels driven by climate change could upend the lives of more than 13 million Americans by the end of the century, according to a study released Monday.

February 2016 was a stunningly warm month. According to NASA data, it was the most anomalously hot month the Earth has seen since record keeping began — fully 1.35 degrees Celsius (2.43 degrees Fahrenheit) warmer than the average from 1951-1980...

cartoonist: Colin Suggett

As President Obama pulls the plug on offshore drilling off the Atlantic Coast, a North Carolina fisherman illustrates the magnitude of the decision...

Copyright © 2016 Marie Pelin

For over a decade, paleoclimate scientists have argued whether the warmth of the last several thousand years was natural or anthropogenic...

CREDIT: AP Photo/Luis M. Alvarez

Years of campaigning paid off Tuesday, when the Obama administration removed plans for oil and drilling off the southeast Atlantic coast from its draft five-year plan for ocean energy development.

Presidential debates are getting a lot of coverage. But we're missing some important information...

Coral bleaching at Lizard Island off the coast of Queensland. Damage to parts of the Great Barrier Reef has worsened. Photograph: Wwf Australia/AFP/Getty Images

Expert blames global warming, as coral bleaches when water temperatures go above a certain threshold for an extended period of time...

CREDIT: AP Photo/Robert F. Bukaty, File

A deadly algal bloom has killed nearly 23 million fish in Chile, the world’s second-largest exporter of salmon, causing widespread economic losses that could cost the country $800 million. According to government officials, there are enough dead fish to fill 14 Olympic-sized swimming pools, and losses could account for as much as 15 percent of Chile’s total annual salmon production...

Photograph: Joseph Rafferty/Getty Images

FILE - In this July 2, 2015 file photo, a rancher looks toward his cattle grazing on a barren hillside in Tulare County, outside of Porterville, Calif. Climate science has progressed so much that experts can accurately detect global warming?s fingerprints on certain extreme weather events, such as a heat wave, concluded a high-level scientific advisory panel. (AP Photo/Gregory Bull, File) (Gregory Bull/AP)

WASHINGTON (AP) — Climate science has progressed so much that experts can accurately detect global warming's fingerprints on certain extreme weather events, such as a heat wave, according to a high-level scientific advisory panel.

A wind turbine turns as giant turbine blades lie awaiting new construction at the National Renewable Energy Laboratory in Colorado in March 2009. (John Moore / Getty Images)

Efforts to increase wind power mean that turbine blades are getting bigger and bigger. But a new design in the works takes the idea to levels most people can barely imagine: Blades up to 656.2 feet long — more than two football fields...

The goal of weather attribution work is to predict events like super cyclone Winston, which devastated Fiji in February. Credit: Getty Images

Scientists can now readily attribute some weather, such as intense heat waves, to the influence of a warming climate.

NASA has confirmed that our planet's temperature surged in February 2016—past a major milestone. photo:NASA

Update, March 12, 2016: Data released Saturday from NASA confirm that February 2016 was not only the warmest month ever measured globally, at 1.35 degrees Celsius above the long-term average—it was more than 0.2 degrees Celsius warmer than the previously most unusually warm month ever measured: January 2016.

cartoon: https://www.bostonglobe.com/staff/wasserman

Calling what is happening in Europe a refugee crisis no longer captures the enormity of the problem. This is a catastrophe that will soon become far worse as warm weather swells the torrent of people fleeing war in Syria, Iraq and Afghanistan. With the European Union incapable of united action, country after country has imposed panicky controls on once-open borders to block the refugees...

BNSF oil train derailment in 2013.CREDIT: Bruce Crummy, AP

Billionaire Warren Buffett has bet the future of his company Berkshire Hathaway on dirty energy. In recent years he has been building a vertically-integrated fossil fuel empire — one that develops, delivers, processes, and burns the most climate-destroying fuels...

Image: Rice fields in India's Kashmir region. Credit: sandeepachetan.com travel photography/Flickr

Image credit: Hamptons Magazine

A researcher deploys an instrument in meltwater on Greenland. (NASA/Jefferson Beck)

A prepared homeowner knows that when floodwaters start to enter the basement, you use a sump pump to force them back out. Could the same principle be applied to rising sea levels? As oceans threaten to flood coastal communities, could we just pump them down to reasonable heights?

Rising populations in Asia, particularly India and China, has led to more farming and more methane emissions. Credit: Wikimedia

A new study points the finger at the growth in farming in China and India, but others believe natural gas is to blame...

David Fitzsimmons is the staff cartoonist for the Arizona Star, and his cartoons are syndicated worldwide by Cagle Cartoons

It's not just you — it really is hot in here...