What does it mean for trees when leaves change colors?

There is a mystery scientists are still trying to figure out, which is, what does it mean for the tree when its leaves change colors?

UN chief warns world is 'paralyzed,' equity slipping away at General Assembly

During the 2022 General Assembly, the U.N. chief warned nations are “gridlocked in colossal global dysfunction” and aren’t ready or willing to tackle the challenges that threaten humanity's future.

How climate insecurity is impacting the Great Lakes
video

Pierre B?land, Canadian Chair for the International Joint Commission, talks about the climate concerns that the Great Lakes are facing and the importance of taking action.

NW Indiana refinery to pay $2.75 million in air pollution case

BP, one of the world’s largest oil companies, agreed to pay $2.75 million to settle accusations that its massive Northwest Indiana refinery repeatedly broke the law by polluting the air.

Jason Momoa shaves head to denounce single-use plastics

The 43-year-old actor said he’s tired of plastic bottles, bags and packaging ending up as pollution.

'Could not believe my eyes:' Ice caves awash in vibrant colors as sun, algae combine for surreal show

A local geologist says the variety of colors was due to multiple lighting effects being in play, and it left a photographer saying it was one of the most magical things he's ever witnessed.

Great white shark encounters are increasing due to climate change

Scientists say that rising water temperatures due to climate change are allowing juvenile sharks to expand their territory.