United Nations

Celebrate Earth Day at the supermarket

With the 50th observance of Earth Day on Sunday, each of us can contribute by reducing our driving, use of electric energy and consumption of animals.

Yes, that. Last fall, Oxford University's prestigious Food Climate Research Network and Germany's Heinrich Bolle Foundation concluded that solving the global warming catastrophe requires a massive shift to a plant-based diet. A 2010 United Nations report blamed animal agriculture for 70 percent of global freshwater use, 38 percent of land use and 19 percent of greenhouse gas emissions.

Carbon dioxide is emitted by burning forests to create animal pastures and by operating farm machinery to grow animal feed. The more damaging...