American Meteorological Society president Marshall Shepherd wants you to believe that climate change began in 1970.
In his Ted Talk, Marshall Shepherd says skeptics are cherry-picking the temperature data by only talking about the recent non-warming (17 years now), so he proceeds to show this image:
But, of course, climate change began before even 1970. The ongoing warming seems to have started around 1650, as shown in the graph below from the first IPCC report:
Here’s the clip: