Some big food companies, like Mars, are becoming increasingly vocal advocates for action on greenhouse gas emissions.
By the time 2050 comes around, the meat on your plate may not be that different, but the story of how it got there could be.
The USDA recently put $10 million behind grants to establish environmental markets, including one in Iowa to reduce nitrogen runoff.
A team of researchers looks at the ecological impacts of a human population that's growing in more ways than one.
What are we eating and how much of the Earth's does it take? A new study breaks it down.
Wal-Mart announced today its goal to eliminate 20 million metric tons of greenhouse gas emissions from its global supply chain by 2015.
Last year half the world's emissions came from just 700 million people. Economists suggest that the wealthiest individuals are most to blame.