• percentage by which energy consumption in developing nations is expected to grow by 2010

• percentage of written prescriptions that are either based on or synthesized from natural compounds found in plants and animals

• percentage of total paper used in Germany that goes toward packaging

• percentage by which one can reduce pollution from an older car by keeping it well-tuned

• dollars saved by replacing an incandescent light bulb with a compact fluorescent

• percentage by which fish species in Canadian lakes have declined due to acid rain

• percentage by which CFC consumption rose in the developing world between 1986 and 1995

• acres of wetlands that are vanishing per hour in southern Louisiana

• percentage of the world’s grain harvest that is fed to livestock, poultry, or fish

Sources:
1 — World Resources Institute
2 — National Wildlife Federation
3 — Earth Communications Office
4 — EPA
5 — Earth Communications Office
6, 7 — World Resources Institute
8 — Christian Science Monitior
9 — National Wildlife Federation