Waukegan bans ceremonial balloon launches

Glittering gift wrap, disposable decorations and food waste harm the environment. What you can do to be more sustainable.

At ‘Climate Cafés,’ mental health experts and environmentalists create a community to tackle climate anxiety

Voters OK’d property tax hike. Now here’s how the Forest Preserve is going to spend your money.

Chicago planted 23,000 trees this year, with 8,600 going to neighborhoods with the highest need, officials say

Concrete made from algae? Chicago firm offers a closer look at ‘bio-blocks,’ a zero-carbon alternative

Lake County residents can recycle Christmas trees; ‘Use that tree one more time to get the full value out of its life’

The grass is greener at Soldier Field — and that’s great for the Chicago Bears. Here’s how ultraviolet lights have helped.

Supreme Court will hear challenge to EPA ‘good neighbor’ rule limiting downwind power plant pollution in 10 states

Thursday is the shortest day of the year. Here’s what the winter solstice means for Chicago.

From unmanned kayaks to old-school dragnets, biologists try new approaches to remove invasive carp from Illinois waterways

How Christmas tree farms can help wildlife

Time Magazine names Skokie CEO Holmgren to top 100 worldwide fighting climate change

Driven by global warming concerns and encouraged by generous incentives, Illinois homeowners turning to solar power like never before

On unexpected findings in Chicago’s cumulative report on pollution, activists and officials caution this is just the first step

At UN climate talks, cameras are everywhere. Many belong to Emirati company with a murky history

Northern sea otter pup rescued in Alaska finds new home at Shedd Aquarium

Chicago hears from Cincinnati and Newark officials on how to speed up replacement of toxic lead pipes

2 Oak Park-River Forest High School seniors take their climate and environment interests, activism to U.N. confab in Dubai

Chicago high schooler among 6 area activists who will give young people a voice at global climate summit in Dubai

Here’s why the UAE, the autocratic COP28 host, has to allow limited protests at the summit

Earth is running a fever. And UN climate talks are focusing on the contagious effect on human health

US targets oil and natural gas industry’s role in global warming with new rule on methane emissions

Developing nations press rich world to better fight climate change at U.N. climate summit

After a slow start, sandhill crane raised in captivity released into the wild to join other birds