changing climate

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in the ocean could lock away climate-warming carbon dioxide for centuries or more. Nearly 50 field trials have taken place in the past four years, with startups raising hundreds of millions in early funds. But the field remains rife with debate...

Climate scientists and policymakers are gathering at the United Nations headquarters in New York for the inaugural World Day for Glaciers. The gathering aims to build global cooperation to slow climate change. National climate reporter Chase Cain takes us to some of our planet’s fastest melting glaciers.

Last year was the hottest year on record, the top 10 hottest years were all in the past decade, a report Wednesday said.

Researchers, doctors, their patients and supporters ventured out of labs, hospitals and offices Friday to stand up to what they call a blitz on life-saving science by the Trump administration.

Storm Team4’s Amelia Draper breaks down a new study that found a link between our changing climate and stronger storms.

Before you chuck those pumpkins in the trash, consider donating them to these local organizations and farms that can put them to good use — while also helping the environment.

D.C. has more trees, more bike share options and fewer carbon emissions than it had 10 years ago. That puts it ahead of schedule for a 20-year sustainability commitment.

D.C. has more trees, more bike share options, and fewer carbon emissions on Oct. 3, 2024, than it did a decade ago. News4’s Mark Segraves reports. 

A geo-thermal heating and cooling system and more than 1,600 solar panels on the roof at Ellen Ochoa Middle School in Landover Hills have cut energy costs down to almost nothing. News4’s Megan McGrath reports.

You may have noticed the sidewalk around the Tidal Basin is prone to constant flooding. A new project is underway to repair the damaged seawall in that area and preserve sidewalks and the famous cherry trees. News4’s Mark Segraves reports.

The heat island effect causes urbanized areas of DC, Maryland, and Virginia to feel hotter than rural areas. Take a look to the interactive map.

Fireflies once seemed plentiful and cool, easy to catch and watch, and they served as an introduction to the world of nature around us. Entomologists keep hearing anecdotal reports of fewer fireflies, leading to fears that the summer flash was fading.

Virginia’s largest utility says it will explore the possibility of using small nuclear reactors to meet growing electricity demands.

Storm Team4 Meteorologist Ryan Miller explains how heat and drought affecting the Potomac River led to a boil water advisory in D.C. and Arlington County.

The day is meant to bring awareness to climate change, and the changing stripes graphics describing the average yearly temperature. News4’s Amelia Draper reports on our changing climate.

The D.C., Maryland and Virginia area expects to be under a heat advisory this week. News4’s Amelia Draper reports. 

Four years after his initial rise to fame, Stumpy’s time with us is coming to an end: 159 cherry trees, Stumpy included, will be cut down in May to repair the seawall in that area.

The century-old seawall of D.C.’s Tidal Basin needs work, but 159 cherry trees will have to be removed, including “Stumpy,” the tree that became a social media sensation for its ability to bloom despite its decaying trunk and minimal branches. But 274 new trees will be planted after the repairs. News4’s Megan McGrath reports.

The Chesapeake Bay Foundation is teaching teens in the area about protecting the land and water we all share. “Everything helps. Everything matters,” educator Emma Paul told News4’s Megan McGrath.

According to the U.S. Department of Energy, decomposed Halloween pumpkins produce methane, which plays a huge part in the harmful greenhouse effect.