Foul-smelling toxic foam spewing from polluted river takes over Colombian city

Photos show how the massive layer of toxic foam is plaguing the city of Mosquera, Colombia, near Bogota, drifting into residents’ yards and businesses.

One-fifth of reptiles face risk of extinction, new report finds

A comprehensive new assessment of thousands of reptiles species has found that 21% are considered endangered, critically endangered or vulnerable to extinction.

Wildfires erupt out West, prompting evacuations and emergency declarations

Wildfire has become a year-round threat in the West given changing conditions that include earlier snowmelt and rain coming later in the fall.

Wildfires can be dangerous to your health even if you’re nowhere near one

The American Lung Association's annual report says there were more days with unhealthy air quality last year than in the 20-year history of the report, due to wildfires.

Milwaukee neighborhood cleanup, city effort underway

Milwaukee Sanitation Services is providing roll-off boxes or dumpsters for a neighborhood clean-up effort that kicked off Saturday, April 23.

Milwaukee Riverkeeper spring cleanup, estimated 100K pounds of trash

The Milwaukee Riverkeeper spring cleanup had thousands of people out and about Saturday cleaning up along the Milwaukee River.

Magic mushrooms: Scientist says fungi could revolutionize climate change fight

Visit any forest, and you’re bound to see mushrooms growing alongside trees and other plants, but these fungi play an important part in the health of that ecosystem and its ability to fight climate change.

Aluminum can recycling prices up, demand high

Recycling facilities in southeastern Wisconsin are offering more money for aluminum cans, offering consumers a chance to benefit from high demand.

Biden signs Earth Day order to protect old-growth forests from wildfire

Old-growth trees are key buffers against climate change and absorb significant amounts of carbon dioxide that contribute to global warming.

Green Ribbon Schools: 5 Wisconsin schools, university honored

The U.S. Department of Education on Earth Day announced the 2022 U.S. Department of Education Green Ribbon Schools – and there are Milwaukee schools among the lot.

Florida seeks 100% renewable electricity by 2050 under proposed rule

Florida utilities would gradually increase their renewable electricity, reaching 100% by 2050 under a proposed rule unveiled this week.

Earth Day 2022: How it started and how to celebrate

This year will mark 52 years since the first Earth Day and countries around the world are celebrating.

Earth Day 2022: Teach kids about going green with these toys

Teach kids green concepts and how to be eco-friendly with these suggested toys available online and in-store.

Best Buy will pick up and recycle your old appliances - for a price

For about $200 bucks, Best Buy will collect up to two large items and an unlimited number of smaller items from your home.

Wisconsin's 1st clean energy plan released by Gov. Evers

Gov. Tony Evers released Wisconsin's first clean energy plan, a proposal he said would lower energy bills, fight climate change, and possibly create up to 40,000 jobs.

US used wind power more than coal or nuclear for the 1st time

For one day at least, wind was the second-largest source of energy in the U.S., just behind natural gas, according to the U.S. Energy Information Administration (EIA).