John Christy: Climate Change Overview in Six Slides
The main takeaway points:
Popular scare stories that weather extremes – hurricanes, tornadoes, droughts, floods — are getting worse are not based on fact.
In the U.S., high temperature records are not becoming more numerous.
Climate models significantly overestimated warming during the past 15 years.
Even if climate models were correct, a 50% reduction in U.S. CO2 emissions by 2050 would avert only 0.07°C of warming by 2100.
If a policy is not economically sustainable, it’s not politically sustainable.
The climate change impact of enhancing CO2 concentrations has so far been small compared to the public health and biospheric benefits provided by affordable, carbon-based energy.
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