Johan Rockström
Earth at Risk of Entering 'Hothouse' State from which there is no Return
Independent - In a summer marked by global heatwaves, wildfires and drought, scientists have warned that things could get considerably worse under a future scenario dubbed "hothouse Earth".
Humans have whizzed through four of 9 limits that keep planet safe
Scientist Johan Rockström says humanity has whizzed past four of the nine boundaries that keeps the planet hospitable to modern life. He points to the human civilization's transformation of the landscape as people have cut down forests and grown crops, all the time creating pollution and creating extinction for other species.