mass extinction graphic

Vertebrate population losses and declines: Earth’s ongoing mass extinction may be more severe than previously estimated

A new study suggests that Earth’s ongoing mass extinction episode is more severe than generally perceived. Rather than focusing on the complete extinction of entire species, researchers analysed the losses and declines of populations in a sample of 27 600 vertebrate species. Population declines and losses are often a prelude to species extinctions. Researchers also…

global warming color graphic

Have we solved the ozone depletion problem and if so why can’t we get a handle on global warming as well?

Caption: Data from NASA shows a decrease in the seasonal ozone hole above Antarctica over the last decade thanks to the phase-out of CFCs and other ozone-depleting chemicals as called for under 1987’s landmark Montreal Protocol. Credit: Katy Mersmann/NASA’s Goddard Space Flight Center.   Global warming is certainly a hot subject in the news right…

forests and diets graphic

How Forests Improve Kids’ Diets

Study shows forest conservation is a powerful tool to improve nutrition in developing nations   A first-of-its-kind global study shows that children in 27 developing countries have better nutrition–when they live near forests. The results turn on its head the common assumption that improving nutrition in poorer countries requires clearing forests for more farmland–and, instead,…