Jerry Brown: Trump's 'gross ignorance' main obstacle in climate change fight

California governor is taking the lead in confronting planet's 'existential challenge' and signs bill for carbon-free power by 2045Jerry Brown, California's governor, has accused Donald Trump of "gross ignorance" over climate change as he made his most sweeping actions yet to rid the world's fifth largest economy of fossil fuels. Related: Fossil fuel dependence poses 'direct existential threat', warns UN chief Continue reading...