We talk with Former Secretary of Energy Steven Chu about climate change, fracking and the future of energy policy. Watch a web extra, extended interview with Chu.

Deerfield-based Walgreens opens its first totally green “Net-Zero Energy” store in Evanston. We take a tour and go behind the scenes to see what makes this an ultra environmentally friendly store, producing all of its own energy with solar panels and wind turbines. Watch web extra videos and view a slideshow.

A new law passes requiring buildings to report their energy uses. Some aldermen warn it will cost condo owners big on their assessments. Paris Schutz has the details on that, and more news from today's Chicago City Council meeting. Read the news release.

Elizabeth Brackett reports on how the Shedd Aquarium is drastically cutting its energy consumption.