Back in 1985, Carl Sagan told Congress that continuing to burn fossil fuels will increase global temperature, cause climate change, melt glaciers and ice sheets, and cause sea level rise.

His solution: Fewer government subsidies for fossil fuels and use of renewable energy.

@davidho 1985 ! Most of us already forgot this.
@energiepirat @davidho
Try 1970-1973 #exxonknew
or 1950,
or 1899.