you don't have these numbers at your disposals in 2017405 points per million. a report the world will face untold suffering due to the climate crisis unless society makes major environmental adjustments. the report noting there are certain indicators that society must monitor in order to combat this crisis, like population growth, meat consumption, energy consumption, deforestation and burning fossil fuels. the two degree threshold was established in the paris climate agreement and refers to a two-degree celsius rise in global temperatures above preindustrial levels. but the trump administration, as you know, formally withdrew the united states from the pairs are climate agreement earlier this month, making the united states the only country in the world to not cooperate with that pact. joining me now is the former epa