by
Matthew England
July 13, 2009
This talk overviews the processes that can force global climate change, including solar cycles, greenhouse gases, orbital shifts and other factors. A summary of greenhouse gas histories and their impact will be given. The fingerprint of all significant climate forcings are shown, leading to the conclusion that 20th Century climate change can be unambiguously linked to increased greenhouse gas emissions. The impact of these emissions on global temperature, rainfall, ice, and extreme events are summarized. A short summary of future trajectories of these parameters is also covered. This includes a review of recent advances in our understanding of how ocean currents, Arctic sea-ice, sealevel, temperature, and rainfall will respond to anthropogenic climate change.
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