Climate

A record 31-million-ton seaweed bloom is threatening ecosystems and economies in Florida and around the Atlantic

Quintana Roo Secretary of Ecology and Environment

31 million tons of supercharged seaweed is creeping toward beaches in Florida and around the Caribbean

GRAND ISLE, LA - SEPTEMBER 3: Storm damaged houses are reflected in flood water after Hurricane Ida on September 3, 2021 in Grand Isle, Louisiana. Ida made landfall as a Category 4 hurricane five days before in Louisiana and brought flooding, wind damage and power outages along the Gulf Coast. (Photo by Sean Rayford/Getty Images)

Sean Rayford/Getty Images

Global sea levels are rising faster and faster. It spells catastrophe for coastal towns and cities

Aerial view of destroyed houses in Port St Lucie, Florida, after a tornado hit the area and caused severe damage as Hurricane Milton swept through Florida on October 11, 2024. The death toll from Hurricane Milton rose to at least 16 on October 11, 2024, officials in Florida said, as residents began the painful process of piecing their lives and homes back together. Nearly 2.5 million households and businesses were still without power, and some areas in the path cut through the Sunshine State by the monster storm from the Gulf of Mexico to the Atlantic Ocean remained flooded. (Photo by Miguel J. Rodriguez Carrillo / AFP) (Photo by MIGUEL J. RODRIGUEZ CARRILLO/AFP via Getty Images)

Miguel J. Rodriguez Carrillo/AFP/Getty Images

Trump admin ends extreme weather database that has tracked cost of disasters since 1980

Many deep-sea life-forms are reliant on the polymetallic nodules, which form slowly. Here, a branching bryozoan uses a nodule as a surface on which to grow.

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NHMDeepSea Group/Natural History Museum, UK

For Subscribers Trump is obsessed with critical minerals. There’s a new, dangerous place he’s seeking them

Close-up of logos for Energy Star program and High-Efficiency appliance designation on a steam washer in Oahu, Hawaii, July 23, 2024. (Photo by Smith Collection/Gado/Getty Images)

Smith Collection/Gado/Getty Images

Trump admin plans to shut down money-saving Energy Star program soon, sources say

Saving one of the oldest living creatures on Earth 3:49

<p>A research team in British Columbia, Canada, is using artificial intelligence to track orca populations and help shape strategies to protect their habitat.</p>

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Monitoring killer whales with AI 3:57

A person works on the cryostat base of the fusion reactor inside the tokamak hall at Commonwealth Fusion Systems in Devens, Mass. on April 10, 2025. CFS has built 60% of its demonstration fusion reactor in the Boston suburbs – a giant machine powered by magnets that heats plasma up to over 100 million degrees, and plans to demonstrate more power out than in from fusion reaction by 2027.

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Sophie Park for CNN

A nuclear fusion power plant prototype is already being built outside Boston. How long until unlimited clean energy is real?

Weather

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A tornado swirls in New Richmond, Wisconsin, on Thursday, in this screengrab obtained from a social media video.

Tara Olson/Reuters

Wisconsin and Minnesota communities hit by tornadoes as severe storm threat shifts south Friday

Firefighters evacuate students from Westernport Elementary in Maryland, on Tuesday, May 13, 2025.

Floodwaters sweep away 12-year-old boy in Virginia and force boat rescues of over 200 people from Maryland school

Solutions

A worker carries a solar panel plate at a market in Lahore on June 12, 2024. Pakistan's Finance Minister Muhammad Aurangzeb is due to present the country's annual federal budget for the fiscal year 2024-2025 before the National Assembly on June 12. (Photo by Arif ALI / AFP) (Photo by ARIF ALI/AFP via Getty Images)

Arif Ali/AFP/Getty Images

How Pakistan pulled off one of the fastest solar revolutions in the world

Plymouth Marine Laboratory

UK project trials carbon capture at sea to help tackle climate change

This photograph taken on September 2, 2018 shows a beach view in Ewa on the Pacific island of Nauru. - A cluster of corrugated iron huts resembling military barracks jut out of Nauru's sweltering rocky landscape to reveal refugee settlement camp number five, a place defined by desperation and rarely visited by outsiders. (Photo by Mike LEYRAL / AFP) (Photo credit should read MIKE LEYRAL/AFP via Getty Images)

Mike Leyral/AFP/Getty Images

A tiny island country is selling citizenship for $105,000 to save itself from rising seas

A forest the size of Mexico could store twice as much carbon as was thought. That makes its conservation even more valuable

Environmental Protection Agency employees from the Chicago area rally against attacks on the agency by the Trump administration, outside the Metcalfe Federal Building on March 25.

E. Jason Wambsgans/Chicago Tribune/Getty Images

Changing federal work culture, energy program ending, self-landing airplanes: Catch up on the day’s stories

LONDON, ENGLAND - APRIL 25: Fatih Birol, Executive Director of the International Energy Agency (IEA) during a press conference on day two of the International Summit on the Future of Energy Security at Lancaster House on April 25, 2025 in London, England. This Summit examines the geopolitical, technological and economic factors affecting energy security at a national and international level. (Photo by Kin Cheung - WPA Pool/Getty Images)

WPA Pool/Getty Images

Energy is the ‘number one problem’ for Africa’s economy, says IEA director

CN7CJ3 Uturuncu volcano in Bolivia in South America

Michael Sayles/Alamy Stock Photo

Scientists explore the anatomy of a ‘zombie volcano’ that’s showing signs of activity

Pope Francis speaks during the meeting "Faith and Science: Towards COP26" at the Vatican October 4, 2021. Alessandro Di Meo/Pool via REUTERS

Alessandro Di Meo/Reuters

How Pope Francis united a once-skeptical Church with climate action

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Video Why a Florida lagoon has become a death trap for manatees 4:45

SIMONS TOWN, SOUTH AFRICA - JUNE 29: African penguins gather at the end of the afternoon at Boulders Beach June 29,2010 in Simon's Town, South Africa. The vulnerable species live in a penguin colony in False Bay that is part of Table Mountain National Park. Since breeding two pairs in 1982, the penguin colony has grown over the years to over 3,000. Tourists in country for the World Cup have brought double the usual numbers of people visiting the famous penguin breeding ground. (Photo by Paula Bronstein/Getty Images)

Paula Bronstein/Getty Images

Video The race to save the African penguin 3:56

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Video Watch a wild jaguar’s release as it sets a world historic first in Argentina 5:37

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Video This Florida town was built to withstand high winds. See how it worked 1:49

Features

Julian Quinones/CNN

‘Save the Whales’ was a shining success. Now can humpbacks save us from ourselves?

A turtle swims in a shallow lagoon at Lady Elliot Island, off the Queensland Coast.

‘Like wildfires underwater’: Worst summer on record for Great Barrier Reef as coral die-off sweeps planet

20240202_instagram-influencers-wellness-conspiracy-climate

illustration by leah abucayan/cnn

Wellness influencers fueled pandemic misinformation. Now they’re targeting another crisis

BOULDER, CO - MARCH 26: A firefighter watches as the NCAR Fire burns on March 26, 2022 in Boulder, Colorado. The wildfire, which has forced almost 20,000 people to evacuate their homes, started just a few miles away from where the Marshall Fire destroyed more than 1,000 homes in December, 2021. (Photo by Michael Ciaglo/Getty Images)

Michael Ciaglo/Getty Images

A plant that’s everywhere is fueling a growing risk of wildfire disaster

EXTREMES

A view inside FEMA headquarters in Washington, DC, on September 30, 2024.

Brendan Smialowski/AFP/Getty Images/File

Exclusive: FEMA is ‘not ready’ for hurricane season, internal agency review shows

U.S. Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. testifies before a House Appropriations Labor, Health and Human Services, Education, and Related Agencies Subcommittee hearing on the Department of Health and Human Services budget, on Capitol Hill in Washington, D.C., U.S., May 14, 2025. REUTERS/Ken Cedeno

Ken Cedeno/Reuters

Lawmakers press Kennedy on mass cuts, canceled medical research

This photo taken on May 23, 2014, shows the entrance the National Weather Service monitoring station in Brownsville, Texas, with their Doppler radar tower nearby. (AP Photo/Valley Morning Star, David Pike)

David Pike/Valley Morning Star via AP

National Weather Service seeks to fill 155 ‘critical’ vacancies ahead of hurricane season

WATER

Fake snow, made of cotton, is seen at a village in Chengdu, China.

@Alert-/RedNote

Snow joke: Chinese attraction apologizes for winter wonderland made of cotton and bedsheets

SANTA ANA, CA - APRIL 26: Pouring a glass of water from a kitchen faucet in Santa Ana on Friday, April 26, 2024. According to a study by the US Geological Survey, 45% of the tap water in the United States is contaminated with "forever chemicals" that are considered dangerous to human health. In recent years, studies have found that humans exposed to some PFAS chemicals are more prone to everything from high cholesterol and hypertension to testicular cancer, breast cancer and, for girls, early-onset puberty. (Photo by Leonard Ortiz/MediaNews Group/Orange County Register via Getty Images)

Leonard Ortiz/MediaNews Group/Orange County Register/Getty Images

Scientists discover concerning new source of ‘forever chemicals’ in drinking water

An aerial view of colorful fall foliage in Vermont and New Hampshire on October 13, 2024.

Lokman Vural Elibol/Anadolu/Getty Images

It’s not just you. Fall hasn’t really felt like fall this year and it’s a sign of things to come

COST OF LIVING

Donald Trump highlighted rising costs during his campaign to return to the White House.

Jeenah Moon/Reuters

High grocery prices got droves of Americans to vote for Trump but they shouldn’t expect to pay less over the next four years

Minnesota Gov. Tim Walz and Sen. JD Vance attend a debate hosted by CBS News in New York on Tuesday.

Mike Segar/Reuters

Fact-checking the CBS News vice presidential debate between Vance and Walz

Harris’ Georgia challenge: reassembling Biden’s diverse 2020 coalition