30 years from now we could be looking back at 2019 fondly. By 2048 it is estimated at the current consumption levels salt water fish could be nearly extinct, fo

30 years from now we could be looking back at 2019 fondly. By 2048 it is estimated at the current consumption levels salt water fish could be nearly extinct, for example. We could also be dealing with twenty days of lethal heat per year and one billion people displaced due to climate change.