Schools closed as the annual layer of smog returns to choke Delhi

A dense, acrid layer of smog has blanketed India's capital, as it does every year, despite firework bans and farmers being ordered to change their ways.

• Nov 7, 2023

Company to pay $57 million over "toxic pollution" of D.C. river

The Potomac Electric Power Company is accused of spilling or releasing petroleum and nationally-banned industrial products into the soil and groundwater for nearly a century.

• Oct 5, 2023

Lego drops prototype recycled blocks in blow to sustainability drive

Danish toy giant Lego said 2 years of experimentation with blocks made from recycled plastic bottles showed they "didn't reduce carbon emissions."

• Sep 25, 2023

Shrinking Salton Sea raises health alarms

Without replenishment from the Colorado River, the Salton Sea in Southern California is rapidly receding, exposing to the wind a dry and toxic lakebed that could pose ongoing health risks to the surrounding community. Jonathan Vigliotti has more.

• Sep 21, 2023
• 02:36

Are paper wine bottles the future? These companies think so.

A California winemaker is the first in the U.S. to embrace a British company's effort to decarbonize the drink industry, bottling wine in paper instead of glass.

• Sep 20, 2023

The push to electrify U.S. school buses

School buses run on diesel and can be heavy polluters, releasing harmful gases into the air while ferrying millions of children. Around the country, there's a push to switch the buses to electric options. Manuel Bojorquez has more.

• Sep 16, 2023
• 04:57

High-tech barges collect plastic from rivers

High-tech barges are being used to scoop up tons of floating plastic. The mission of nonprofit Ocean Cleanup is to ultimately collect 90% of floating plastic pollution from the world's waterways. Ben Tracy has more.

• Sep 8, 2023
• 02:10

NASA releases first U.S. pollution map images from new space instrument

A spectrometer launched into orbit in the spring is collecting data on air pollution over North America.

• Aug 28, 2023

Light pollution is killing the vibe for courting fireflies

As many as 1 in 3 lightning bug species in America could be under threat, scientists say.

• Aug 24, 2023

Activists discuss Montana climate case

Climate activists are celebrating a Monday court decision in which a judge ruled Montana had violated plaintiffs' rights to a clean and healthful environment. Experts call this ruling the "first of its kind" not only for its potential environmental effects, but also because the plaintiffs were some of the state's youngest citizens -- ranging in age from five to 22. Plaintiff Badge Busse and attorney Julia Olson join CBS News to discuss the case.

• Aug 15, 2023
• 05:18

Study: "Forever chemicals" in U.S. tap water

A new study found that nearly half of the nation's drinking water contains potentially harmful "forever chemicals," called PFAS. The substances have been linked to several serious health problems, including some cancers. Mark Strassmann reports on efforts to eliminate the chemicals, plus the study's lead author, Kelly Smalling, joins CBS News to break down the findings.

• Jul 6, 2023
• 06:30

Technology to eliminate PFAS moves forward

A new study has found that man-made toxic PFAS, known as "forever chemicals," may be found in 45% of the tap water in the U.S. However, a scientific company has developed a technology that uses an annihilator to completely eliminate PFAS within seconds. Mark Strassmann has more.

• Jul 6, 2023
• 02:18

Canadian wildfire smoke polluting air across U.S.

Nearly one-third of the U.S. population is being impacted by smoke from hundreds of wildfires burning across Canada. Scott MacFarlane has the latest.

• Jun 29, 2023
• 02:12

How poor air quality impacts your health

Here's what to know about the health effects of wildfire smoke as it continues to infiltrate the U.S.

• Jun 28, 2023

U.N. adopts first-ever treaty to govern the lawless high seas

The high seas treaty, once ratified by individual nations, will govern the use of international waters in a bid to protect ecosystems and head off disputes.

• Jun 19, 2023

Wildfire smokes pushes NYC to second-worst air quality worldwide

The air quality in New York City on Wednesday morning is 14.5 times the World Health Organization's annual air quality guideline value.

• Jun 7, 2023

Trucker detained after a "weird" potato spill on a key Denmark bridge

Officials say it "looks weird," and could have been an accident - or a protest over new environmental restrictions on diesel trucks hauling heavy loads.

• Jun 1, 2023

Stretch of Venice's Grand Canal mysteriously turns bright green

Police were investigating the unexplained discoloration spotted near the iconic Rialto Bridge, amid speculation about a possible stunt by environmentalists.

• May 29, 2023

Meet the startup "growing" mushroom caskets and urns

Cemeteries are known to potentially contaminate soil and water, and cremation can unleash pollutants in the air. A new startup says mushrooms could be the key to "a new story."

• May 25, 2023

Synthetic rubber plant in focus amid Louisiana community's high cancer risk

According to the EPA, cancer risk in the community of Reserve is about 50 times the national average.

• May 4, 2023

Toxic "forever chemicals" found in U.S. farmland soil

One family had to give up their dreams of an organic farm in Maine after discovering the land they bought had been contaminated years earlier.

• May 2, 2023

China's ongoing "coal boom" risks "climate disasters," Greenpeace says

New approvals for coal-fired power plants are fueling concern that China will backtrack on its goal to peak emissions by 2030.

• Apr 24, 2023

Coastal species living in Great Pacific Garbage Patch in middle of the ocean

Coastal species have been found living on the Great Pacific Garbage Patch in the middle of the ocean, according to a study published in Nature Ecology & Evolution journal.

• Apr 17, 2023

EPA proposal seeks to increase EV production

The Biden administration on Wednesday proposed strict new tailpipe pollution standards that would effectively force auto manufacturers to accelerate their production of electric vehicles. Under the EPA's proposal, 67% of all vehicles manufactured in the U.S. would be electric by 2032. Ben Tracy has the details.

• Apr 12, 2023
• 02:08

The future of energy in America

After decades of promises and disappointments -- renewable energy sources are finally taking hold in America. Vijay Vaitheeswaran, the global energy and climate innovation editor for The Economist, joined Prime Time to discuss what the future holds.

• Apr 12, 2023
• 07:09

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