In the Media

Prof. Christopher Knittel writes for The Los Angeles Times about what makes tackling climate change so daunting. “Past environmental problems offered far easier solutions,” writes Knittel. “The pollution that caused the hole in the ozone layer, for example — chlorofluorocarbons — were also a global pollutant and were tied to widely used products such as refrigeration, air conditioning and hairspray. But there were cheap, readily available alternatives.”