'THIS MUCH': "Even if the Paris Agreement were implemented in full, with total compliance from all nations, it is estimated it would only produce a two-tenths of one degree -- think of that; this much -- Celsius reduction in global temperature by the year 2100."

- Donald Trump, June 1, 2017. This is from an MIT study but the lead author told the Washington Post that the amount is indeed worth pursuing and is viewed as a start, with the goal ideally being reset in 2030.