Climate Change: Lines of Evidence

"scientists have concluded that there is more than a ninety percent chance that most of the observed global warming trend over the past fifty to sixty years can be attributed to emissions from the burning of fossil fuels and other human activities." Understanding what caused change provides valuable information to help us manager futures, define "smarter more economical and better ways to reduce the food energy and technologies we need to live."

~ The National Research Council explains how scientists have arrived at the current state of knowledge about recent climate change and its causes. You can also watch the video in seven separate chapters here on the National Academies YouTube channel.

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