John Bates stands by accusations that 2015 study was rushed and biased, but says he only guessed that motivations were political.
Two analyses of ecological research projects warn that natural processes in the soil increase the threat of global warming.
Clams made yearly temperature records centuries before we took measurements.
A unique material sucks CO2 from the air
A new study suggests the ecosystem -- and others like it -- can't be relied upon to remove excess carbon from the atmosphere.