Global Climate Change: The Heart of the Matter
What we can see (observations) What is causing it (causes and evidence) What can happen (projections) What we can do (responses) The Heart of the Matter
What we can see (observations) What is causing it (causes and evidence) What can happen (projections) What we can do (responses) The Heart of the Matter
Warming is Unequivocal
And Not Uniform
l-weddings-and-climate-change1/
NASA 2003 European Heat Wave
After Schaer et al., 2004 Switzerland Summer Temperature 2003 European Heat Wave
What we can see (observations) What is causing it (causes and evidence) What can happen (projections) What we can do (responses) The Heart of the Matter
Ice Core Records
Radiative Forcing
IPCC, 2007 Black = Observed Gold = Human and Natural Forcings Blue = Only Natural Forcings Fingerprint Analysis
What we can see (observations) What is causing it (causes and evidence) What can happen (projections) What we can do (responses) The Heart of the Matter
UCS Projected Changes in CA Summer Temperature
Diminishing Sierra Snowpack Percentage Remaining, Relative to UCS
Tipping elements in the Earth system Lenton et al., PNAS 2008
What we can see (observations) What is causing it (causes and evidence) What can happen (projections) What we can do (responses) The Heart of the Matter
Mitigation Adaptation
Climate Stabilization
Raupach et al., 2007 Regional CO 2 Emissions Growth
Davis and Caldeira, 2010
IPCC, Extreme Events: Heat
IPCC, 2007 Extreme Events: Heat 29