"A terrible earthquake, massive drought and nuclear power captured the imagination this year".

"From the Paris Agreement to the accelerating clean energy revolution, 2015 was a big year for stories on energy and the environment, including its status as perhaps the last year in human history to see atmospheric concentrations of CO2 below 400 parts per million. Here are the leading stories published by Scientific American this year:"

David Biello writes for Scientific American December 29, 2015. [2]