With respect to the first sentence, Federal Defendants admit that for over fifty years some officials and persons employed by the federal government have been aware of a growing
body of scientific research concerning the
effects of fossil fuel emissions
on atmospheric concentrations of CO2 — including that increased concentrations of atmospheric CO2 could cause measurable long - lasting changes to the global climate, resulting in an array of severe
deleterious effects to
human beings, which will worsen over time.