According to Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia, important policy decisions can be informed by recent advances in climate science that ...

Scientist Ralph Keeling wants this generation to remember when atmospheric concentrations of carbon dioxide reached 400 parts per million, because of humans Most people can mark their time on Earth by ...

Despite dramatic declines in children's blood lead concentrations and a lowering of the Centers for Disease Control and Prevention's level of concern to 10 μg per deciliter (0.483 μmol per liter), ...

Researchers from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) have analyzed various bodies of water in Berlin for traces of nicotine. They detected nicotine in all of the ...