Paul J. Crutzen, a Dutch scientist who won the Nobel Prize for chemistry for his work understanding the ozone hole and is credited with coining the term Anthropocene to describe the geological era shaped by mankind, has died.
Emissions of nitrous oxide (N2O) have surpassed projections by the Intergovernmental Panel on Climate Change, jeopardizing the goals of the Paris Agreement.
Mario Molina, winner of the Nobel Prize in chemistry in 1995 for his work on how industrial chemicals caused the ozone hole, threatening all life on Earth and the only Mexican scientist to be honored with a Nobel, has died in his native Mexico City.