HOUSTON --Today is the 41st annual observance of Earth Day. This weekend, people are asked to think about ways they can conserve and preserve the environment. Earth Day also means free coffee. Starbucks and Caribou coffee shops will give you a free cup of coffee if you bring in your own mugs. Starbucks is also offering free tea in your own mug.
Tomorrow, Discovery Green will be the site of the city's biggest Earth Day event. More than 15,000 people are expected to turn out for the Earth Day Houston Festival. It runs 10am until 4pm.