James Hansen wishes he was wrong. He wasn’t.
NASA’s top climate scientist in 1988, Hansen warned the world on a record hot June day 30 years ago that global warming was here and worsening. […] Global warming was not what Hansen set out to study when he joined NASA in 1972. The Iowa native studied Venus—a planet with a runaway greenhouse-effect run—when he got interested in Earth’s ozone hole. As he created computer simulations, he realized that “this planet was more interesting than Venus.” And more important.
Read here https://bit.ly/2Z4IAFK the full article written by Seth Borenstein for phys.org