If current trends continue, one half of all species of life on Earth will be extinct in 100 years. (E.O. Wilson, The Future of Life, p. 102)

One quarter of all mammal species face extinction in 30 years. (United Nations)

For every person in the world to reach present U.S. levels of consumption, we would need four more planet Earths. (Wilson, p. 23)

Humans currently consume 50% of the Earth's available freshwater, leaving what's left over for all other species. (World Wildlife Fund)

Ninety percent of all large fishes have disappeared from the world's oceans in the past half century. (Nature Magazine)

Human population is expected to increase by at least 50% over the next 75 years. (United Nations Population Division)

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