A Concern

Some of the more than 500 million pounds (220 million kg) of pesticides used yearly in the United States are concentrated at levels that pose a concern for fish and water-dwelling insects, the U.S. Geological Survey report on pesticides from 1992 to 2011 said. The...

Defaunation in the Anthropocene

We live amid a global wave of anthropogenically driven biodiversity loss: species and population extirpations and, critically, declines in local species abundance. Particularly, human impacts on animal biodiversity are an under-recognized form of global environmental...