U.S. Scientists Issue Fresh Alert Over Effects of Climate Change

Global warming is already having a major impact on life in America, a report by US government scientists has warned. The draft version of the U.S. National Climate Assessment reveals that increasing storm surges, floods, melting glaciers and permafrost, and intensifying droughts are having a profound effect on the lives of Americans.

"Corn producers in Iowa, oyster growers in Washington state and maple syrup producers have observed changes in their local climate that are outside of their experience," states the report.