Sarah Gardner
Reporter
Sustainability
Sarah Garder's mother prepares a pie crust in her kitchen. Why Crisco? "Because I like it, because it's all vegetable, and it's really better for your health, I think."
Sarah Gardner
Economy
Exhaust rises from the main chimneys of a coal-fired power plant.
Sean Gallup / Getty Images
Sustainability
The sculpture "CO2 Breakthrough" by Kate Tully sits along the lakefront in Chicago, Illinois. The piece is a part of an exhibit of 120 city-wide fiberglass globes intended to draw attention to environmental issues.
Scott Olson/Getty Images
Economy
California Governor Arnold Schwarzenegger
Saul Loeb/AFP/Getty Images