@CNN: This year has been an unequivocal disaster for the future of the planet, writes Mark Kelly for @CNNOpinion https://t.co/iIgjuFPiTH https://t.co/3bib6ivc1f
This year has been an unequivocal disaster for the future of the planet, writes Mark Kelly for @CNNOpinion https://t.co/iIgjuFPiTH http://pic.twitter.com/3bib6ivc1f
— CNN (@CNN) December 26, 2017