Nelson Institute Earth Day Conference 2008

Scientific Uncertainty and Climate Change Risks
Keynote Address by Pew Center Senior Scientist Dr. Jay Gulledge
2nd Annual Nelson Institute Earth Day Conference
April 16, 2008 - Madison, Wisconsin
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Pew Center Senior Scientist Dr. Jay Gulledge discusses environmental risks of climate change in his keynote address to the 2nd Annual Nelson Institute Earth Day Conference. In his remarks, Dr. Gulledge explains that despite uncertainty, scientists can be highly confident in their findings about global warming. For example, data show the rise in global surface temperature and atmospheric concentrations of greenhouse gases in the past 50 years. It is the confident conclusion of the scientific community at large that the greenhouse gases generated by human activity are driving this warming trend.

The conference, entitled Sustaining Wisconsin's Environment & Economy: Responding to Climate Change, promotes greater understanding of greenhouse gas mitigation and climate change impacts and adaptation. Dr. Gulledge also shares insights from a recently published Pew Center report, Regional Impacts of Climate Change, which addresses current and expected environmental effects and likely adaptation measures required in four U.S. regions.