Enterprise Community Partners provides affordable, efficient housing using recycled materials that is popping up all over the U.S.

Utility companies are taking to eye-catching public art to promote their appliance recycling programs.

Where: 1104 S. Wabash Ave., Columbia College, Chicago View Larger Map When: Friday, April 23, 11 a.m. to 3 p.m. What: This third annual afternoon fair connects Chicagoans with eco-focused businesses over crafts, food, local advocacy, a picture station, screen printing, games and more. More info: ecocolum.com

One Chicagoland paper mill is changing the age-old rural mill model by moving paper production to the city.

Sadly, the average American uses 100 gallons of water per day, and more than 50% of that is for outdoor use.

The owners of the Sears Tower have announced plans to upgrade the building for sustainability, which will make it the tallest building in the western hemisphere to undergo such an overhaul to date.