Food production consumes about a fifth of the U.S. energy supply. Some farmers are trying to cut back on the coal and gas used to grow our food.
At Straight Creek Valley Farm, living "off-the-grid" doesn't mean doing without creature comforts like cell phones and Keurig coffee.
Northern Texas utility company THX has partnered with solar energy start-up SolarCity to provide rooftop solar panels for customers to rent or purchase.
Dow Chemical is introducing a new type of roofing - solar shingles.