• percent by which energy-efficient windows can cut cooling and heating bills
• percentage of the world’s population living in countries experiencing moderate to high water stress
• percentage of toxic water pollution caused by personal vehicle use
• percentage of the world’s energy consumed by developing nations
• percentage of all raw materials used in the U.S. that go toward the production of meats, dairy products, and eggs
• percentage of the world’s remaining temperate rainforests that are in Chile
Sources:
1 — Alliance to Save Energy
2 — World Resources Institute
3 — Earth Communications Office
4 — World Resources Institute
5 — 50 Simple Things You Can Do to Save the Earth
6 — Christian Science Monitor
