polar bear standing on ice in open water
Credit: Daniel Enchev/Flickr

Melting Arctic ice is rewriting the planet’s future

The Arctic’s rapid warming and melting sea ice mirror past climate crises but at an unprecedented pace, reshaping ecosystems, threatening coastal cities, and disrupting global climate systems.

Molly Taft reports for Atmos.


In short:

  • The Arctic is warming four times faster than the rest of the planet, with summer sea ice projected to disappear by the 2030s without major emissions cuts.
  • Past Arctic conditions reveal that higher global temperatures led to lush forests, mass extinctions and sea levels up to 200 feet higher than today, threatening modern cities like Miami and New Orleans.
  • Melting permafrost and ice are releasing greenhouse gases, triggering wildfires and exposing dormant threats like ancient viruses, compounding the environmental crisis.

Key quote:

“This change is so rapid that, from our geological experience, it’s faster than anything that we’ve ever experienced.”

— Julie Brigham-Grette, glacial geologist

Why this matters:

The Arctic’s rapid transformation foreshadows catastrophic impacts, from rising seas that endanger millions to destabilized weather systems and food chains. The Arctic’s past holds lessons, but its present warns of a future which we are woefully unprepared for. Read more: Scientists probe ancient history of the East Antarctic Ice Sheet and find unsettling news about sea level rise.

Agents of Change in Environmental Justice logo

LISTEN: Reflections on the first five years of the Agents of Change program

The leadership team talks about what they’ve learned — and what lies ahead.

It’s been five years since the Agents of Change in Environmental Justice program launched, and at a recent retreat gathering the leadership team reflected on what we’ve learned and what environmental issues we’re watching closely as we near 2025.

Keep reading...Show less
Senator Whitehouse & climate change

Senator Whitehouse puts climate change on budget committee’s agenda

For more than a decade, Senator Sheldon Whitehouse gave daily warnings about the mounting threat of climate change. Now he has a powerful new perch.
A variety of national flags flying in front of a tall building

International summits fall short as nations struggle to address environmental crises

Global efforts to combat climate change, plastic pollution and biodiversity loss stalled in 2024 due to ineffective U.N. negotiations, entrenched interests and geopolitical divides.

Seth Borenstein and Sibi Arasu report for The Associated Press.

Keep reading...Show less
Shipping port with cranes at sunset

Energy secretary warns gas exports may harm US economy, environment

A new analysis from the Department of Energy concludes that expanding liquefied natural gas exports could raise domestic costs, hurt frontline communities and worsen greenhouse gas emissions.

Lisa Friedman and Coral Davenport report for The New York Times.

Keep reading...Show less
Two businessmen shaking hands

Trump's cabinet picks rely on support from climate obstructionists

Donald Trump's cabinet nominees are linked to wealthy fracking executives, conservative groups and climate denial networks that threaten progress on climate policy.

Joe Fassler reports for DeSmog.

Keep reading...Show less
power plant

Activists challenge Newsom's climate promises in key states

Environmental activists are targeting Gov. Gavin Newsom’s climate policies with a new ad campaign in battleground states, accusing him of failing to close the Aliso Canyon gas storage facility.

Sharon Udasin reports for The Hill.

Keep reading...Show less
Shell's legal win restricts UK climate protests
Credit: Pixabay

Shell's legal win restricts UK climate protests

Two climate activists lost a court battle with Shell, reflecting broader challenges to environmental protests amid harsher legal measures in the UK.

Keerti Gopal reports for Inside Climate News.

Keep reading...Show less
Factory with smoke coming out of smokestacks

British Columbia backs federal cap on oil and gas emissions

British Columbia supports Canada’s proposed emissions cap for the oil and gas sector, contrasting sharply with opposition from Alberta and Saskatchewan.

Carl Meyer reports for The Narwhal.

Keep reading...Show less
From our Newsroom
Resident speaks at an event about the Midwest hydrogen hub organized by Just Transition NWI.

What a Trump administration means for the federal hydrogen energy push

Legal and industry experts say there are uncertainties about the future of hydrogen hubs, a cornerstone of the Biden administration’s clean energy push.

unions climate justice

Op-ed: The common ground between labor and climate justice is the key to a livable future

The tale of “jobs versus the environment” does not capture the full story.

Union workers from SEIU holding climate protest signs at a rally in Washington DC

El terreno común entre los derechos laborales y la justicia climática es la clave de un futuro habitable

La narrativa de “empleos vs. proteger el medio ambiente” no cuenta la historia completa.

unions and labor movement

LISTEN: Pradnya Garud on the role of unions in climate justice

“They’ve been able to combine forces and really come forward to bring social and environmental change.”

People advocating against the US hydrogen hub build out

Hydrogen hubs test new federal environmental justice rules

A massive push for hydrogen energy is one of the first test cases of new federal environmental justice initiatives. Communities and advocates so far give the feds a failing grade.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.