Will China’s recent olive branch change minds in Congress? The world’s mayors pledge to fight climate change. California’s planned power outages are already costing millions. Homeowners are out about $1 trillion thanks to the GOP tax overhaul.
Los Angeles Mayor and Chair of C-40 Eric Garcetti is trying to strike a "Global Green New Deal" to lower emissions. Above, a layer of pollution hovering over L.A. in late 2017.