• percent by which global energy use has increased since 1970
• percentage of the world’s commercially important marine fish stocks that are fully fished, over-exploited, or depleted
• percentage of the roughly 3,000 plants identified as having cancer-fighting properties that grow in rainforests
• percentage of irrigation water in developing nations that never reaches crops due to evaporation or runoff
• percent by which nations have cut their consumption of ozone-depleting substances since 1987
• percentage of electricity in China generated by coal
• percentage of the garbage that Americans create that could be composted
• percentage of world water consumption accounted for by agriculture
• number of catalogs expected to be produced for every woman, man, and child in the U.S. in 2002
Sources:
1 — World Resources Institute
2, 3 — Natural Resources Defense Council
4-6 — World Resources Institute
7 — 50 Simple Things You Can Do to Save the Earth
8 — World Resources Institute
9 — Boston Globe