Are enough trees being planted in NYC?

A controversy is brewing over the number of trees New York City has planted this year compared to years in the past, but city officials say they're still on pace for a historic year.

Hawaii whale dies with stomach full of fishing nets, plastic bags

Over 35 million tons of plastic pollution is produced on Earth each year, and about a fourth of that ends up in the water, scientists say.

Transition into El Nino could lead to record heat around globe

Fishermen first used the term El Niño off the coast of South America to describe the unusually warm water temperatures before Christmas.

Green comet sighting: Here's when to see this celestial view unlikely to return for millions of years

This celestial sighting is a bit like space-speed dating. Astronomers only just learned of Comet C/2022 E3's existence, and it will be gone before we know it. Learn how it was discovered and why a naked-eye comet is rare.

Feds deny emergency request for ship-speed restrictions to protect whales

The National Oceanic and Atmospheric Administration is considering new rules designed to stop large ships from colliding with North Atlantic right whales.

Dolphins spotted in Bronx River

Experts said the dolphins appeared "happy," and were likely searching for fish to eat.

Greta Thunberg carried away by police at German coal mine protest

Swedish climate activist Great Thunberg was among hundreds of people on Tuesday who resumed anti-mining protests in western German after weekend demonstrations.

Greta Thunberg removed by German police from site of mass-climate change protest at coal mine

German police reportedly removed 20-year-old climate change activist Greta Thunberg from the site of a mass protest over the demolition of an abandoned village for the expansion of a coal mine. 

2022 among warmest years on record; experts warn warmer temps to come

Government science teams say that 2022 didn't quite set a record for heat, but it was in the top five or six warmest on record depending on who's doing the measuring.

Ozone hole should fully mend by 2066, UN says

A United Nations scientific report says Earth's protective ozone layer is slowly but noticeably healing.

EPA investigating Colorado air pollution regulations for discrimination

The EPA is probing Colorado’s oversight of the state’s biggest polluters and whether the effect of that pollution on Hispanic residents and other racial minorities is discriminatory.

Climate in 2022: Extreme heat, drought, floods fueled by warming planet

By October, the U.S. had experienced 15 major weather disasters with losses exceeding $1 billion in damage each, according to NOAA.

NYC Mulchfest 2022 is underway

Here is how to recycle your Christmas tree in New York City.