Thousands attend Earth Day Houston Festival at Discovery Green

April 7, 2012 3:39:51 PM PDT
Thousands of people visited the Earth Day Houston Festival at Discovery Green on Saturday.

The festival included a wildlife habitat zone where people learned more about animals and a green expo featuring 100 booths that provided information on green and environmentally-friendly products and services.

Kids also entered a recycling bin art contest.

Earth Day actually falls on April 22. It was first held in the U.S. in 1970 and events are now held worldwide to increase environmental awareness.