A paleontologist wears a T-shirt showing Strophodus rebecae , a shark species with flat teeth that lived millions of years ago.
Juan Pablo Pino/AFP via Getty Images
‘Jaws,’ published in 1974, terrified the public of sharks, but it also brought shark research into the scientific mainstream.
A multiple-exposure photograph of insects circling a light at night.
Samuel Fabian
A new study shows how artificial light at night scrambles insects’ normal flight patterns, pulling them off course into orbit around the light.
A satellite image shows a powerful atmospheric river hitting the U.S. West Coast on Jan. 31, 2024.
NOAA GOES
These giant rivers in the sky are both destructive and essential for the Western U.S. water supply.
Shoppers in Boulder will have to bring their own bags or pay 10 cents per bag at all retail stores.
Kameleon007/Getty Images
Retail stores in Boulder, Colo., banned plastic bags and will charge 10 cents for paper bags in an effort to reduce plastic waste. But do bans and taxes like this really work?
Green leaf volatiles are a plant’s rapid response to threats.
Star61/Wikimedia Commons
Green plants produce a specific gas when under attack to both directly ward off herbivores and pathogens and indirectly lure in herbivore predators.
Chicago topped 70 degrees on Feb. 26, 2024. That’s not normal.
AP Photo/Charles Rex Arbogast
As the climate changes and weather warms, the freezing line is shifting, bringing rain to many regions more accustomed to snow.
Infrastructure can increase vulnerabilities to coastal cities like New York.
GlennisEhi/Getty Images
Land subsidence is a factor as preparations are made for rising sea levels and strengthening storms. Human infrastructure, including buildings and groundwater extraction, increases vulnerabilities.
Circular irrigation for growing hay and alfalfa near Corcoran, Calif. − a water-intensive system that relies on groundwater pumping.
George Rose/Getty Images
Rapid and accelerating groundwater level declines are widespread in dry climates where groundwater is used for irrigation. But some communities have found ways to turn things around.
Recycling construction materials and water can make urban agriculture more sustainable.
Lauren Moore/USDA
A study of dozens of city gardens and urban farms across the US and Europe found several ways to boost their benefits, not just for their neighborhoods, but for the planet.
An old-growth forest of noble fir trees at Marys Peak in Oregon’s Coast Range.
Beverly Law
President Biden has called for protecting large, old trees from logging, but many of them could be cut while the regulatory process grinds forward.
The bow of the U.S. Coast Guard cutter Duane, a decommissioned ship deliberately sunk off Florida to serve as an artificial reef.
Stephen Frink via Getty Images
Artificial reefs are structures that humans put in place underwater that create habitat for sea life. A new study shows for the first time how much of the US ocean floor they cover.
A blizzard with brutally cold temperatures hit Iowa and neighboring states on Jan. 12, 2024.
Melina Mara/The Washington Post via Getty Images
The world can expect fewer severe cold events as average temperatures rise, but people still need to be prepared for wintery blasts.
Lava flows from a fissure near Grindavik, Iceland, on Jan. 14, 2024.
Iceland Department of Civil Protection
Iceland, Hawaii and Italy have all tried to control lava to save cities in the past. A volcanologist explains the methods.
This six-story apartment building in Davenport, Iowa, had clear signs of trouble before it partially collapsed in May 2023.
AP Photo/Charlie Neibergall
Too often, signs of trouble are ignored until a problem becomes a crisis. Here are some clear warning signs residents should watch for.
Laundry washwater is a major source of microplastic fibers that can end up in water and soil.
Venca-Stastny/iStock via Getty Images
Your washing machine is polluting the ocean.
Producing concrete blocks with captured carbon, like these in Brooklyn, NY., has both economic and climate benefits.
AP Photo/John Minchillo
The combination of the source of the CO₂ and its end use determines its environmental and economic benefits or consequences.
A skier at Palisades Tahoe, home of the 1960 Winter Olympics and site of a small but deadly avalanche in 2024.
AP Photo/Rich Pedroncelli
A deadly avalanche at Palisades Tahoe, home of the 1960 Winter Olympics, shows the risk as snow layers melt and new snow falls.
Wrecks during snowstorms can shut down highways, stranding drivers in the cold for hours.
Ben Hasty/MediaNews Group/Reading Eagle via Getty Images
Costs quickly rise when things go wrong with roads, roofs and power lines. Many of those risks are also avoidable.
A tiger shark swims among surgeonfish off Fuvahmulah Atoll, Maldives, in the Indian Ocean.
imageBROKER/Norbert Probst via Getty Images
A new initiative is pinpointing areas in the world’s oceans that are key habitats for sharks and their relatives, so that governments can consider protecting these areas.
Two cases centered on Atlantic herring could have widespread impacts on federal regulation.
Joe Raedle/Getty Images
An important but controversial legal doctrine, known as Chevron deference, is at issue in two fishing cases. The outcome could affect many sectors across the nation.
A wild gray wolf at Yellowstone National Park near Mammoth Hot Springs, Montana.
John Morrison/iStock via Getty Images Plus
At one time, perhaps as many as 2 million gray wolves roamed the North American continent. But now those numbers are down to a few thousand.
Flood water filled streets in downtown Montpelier, Vt., on July 11, 2023.
Kylie Cooper/Getty Images
An atmospheric scientist explains how rising temperatures are helping to fuel extreme storms, floods, droughts and devastating wildfires.
People walk under a light projection at a shopping mall in Beijing.
(Photo by Jade Gao / AFPJade Gao/AFP via Getty Images)
China has a lot of vacant retail space, including many underused shopping malls. An urban policy scholar describes how the Chinese are rethinking what the mall is for.
Mountain chickadees struggle with snow extremes.
Benjamin Sonnenberg
These tiny songbirds have extraordinary memories for the tens of thousands of spots where they hide food. But that doesn’t help when heavy snow blocks their access.
Many commercial fishing boats do not report their positions at sea or are not required to do so.
Alex Walker via Getty Images
A new study reveals that 75% of the world’s industrial fishing vessels are hidden from public view.