Campbell's to stop using BPA in soup cans

The world's largest soupmaker says it will eventually stop using BPA -- a controversial chemical -- to line its cans. Advocates call the decision a big step for the canned-foods industry. Read More

Why stadiums keep pushing the line on sustainability

Sports teams -- and their facilities -- face heated competition for the title of "greenest." The latest to score points for renewable energy is the Philadelphia Eagles, whose stadium will be powered by solar and wind power. Read More