Penn State professor Dr. Michael Mann speaks during the Onward on Climate rally outside of Old Main in 2015.
Penn State professor Dr. Michael Mann speaks during the Onward on Climate rally outside of Old Main in 2015. Abby Drey CDT, file
Penn State professor Dr. Michael Mann speaks during the Onward on Climate rally outside of Old Main in 2015. Abby Drey CDT, file

This is what the coming attack on climate science could look like

December 18, 2016 06:17 PM

UPDATED December 18, 2016 06:27 PM

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