Arc thrift stores celebrate earth day by highlighting recycling efforts. Arc kept 21 million tons of material out of Colorado landfills in 2016.
The rally at the March for Science had the biggest crowd since the Women's March in Denver.
See our list of the 7 best things to do in Denver this weekend!
NASA is celebrating Earth Day by putting pieces of the Earth up for adoption for free.
Teachers at a Missouri art school collaborated with contemporary artist Willie Cole to share some valuable lessons.
The Chicago Council on Global Affairs' Karen Weigert says city streets can reduce carbon emissions and prevent floods.
It's the largest number of countries to ever sign an agreement on one day.
Just some robots doing their part to tidy things up and promote recycling.
The environmental costs to make clothes are high, and they're filling up our landfills. But this sustainable-fashion guru thinks he has a solution.
On Earth Day, there's a lot of talk about climate change and the future of our planet.
Diseases most affected by heat and extreme weather events could see the biggest increases.