Pollution causes 10 million deaths per year, according to an upcoming report written by 50 researchers and policymakers, including Chicago-based energy experts.

The Chicago native died Monday afternoon at the age of 82.

Thanks to a new state law, officers partnered with a police dog are first in line to keep the dog once it is deemed no longer fit for service.

Cook County is ahead of schedule on its goal to reduce greenhouse gas emissions 80 percent by 2050, a new report shows.

Amazon’s voice-activated digital assistant is a hot seller, but there are privacy issues.

Organized by the nonprofit Center for Biological Diversity, Earth2Trump is a series of rallies aimed at building “resistance to all forms of oppression and all attacks on the environment,” the group states.

As the holiday season winds down, it’s about time to take care of that Christmas tree that has begun to decay in your living room.

The newborn female Bornean orangutan joins five other orangutans living at the Brookfield Zoo.

Why did the Trump transition team target Department of Energy staffers who worked on climate change? What does the future hold for climate research and nuclear weapons? A one-on-one interview with the current U.S. Secretary of Energy.

Chicago’s air traffic controllers and the pilots they guide have a new way of communicating that officials say will improve speed and safety. We explain how it works.

There are many Christmas traditions, but one that is especially beloved by people who love birds is the annual Christmas Bird Count. Learn more.

Why aren't Chicagoans getting on the recycling bandwagon? What city officials are doing to reverse dropping participation rates.

Next time you see a squirrel, take a picture. That photo, along with additional location and observation data, can help Chicago researchers better understand the local urban ecosystem.

What happens when a lion gets a toothache? Meet the large and dedicated team that cares for more than 3,000 animals at Brookfield Zoo. 

More than 150 years after Charles Darwin published "On the Origin of Species," the man and his theories continue to generate controversy and debate. That academic battle plays out in a new book titled "Debating Darwin."

A new exhibit at the Museum of Science and Industry invites visitors to sail though time and explore the evolution of ship design.