This video is a little dated, but it is relevant in December 2018 to New Zealanders faced with the arrogant stupidty of James Shaw and his Green Party who are tryng to persuade their Coalition partners that NZ to enact a law they call Zero Carbon (they really mean carbon dioxide - CO2). But in this video, Dr Jay Lehr, of the Heartland Institute, Chicago, explains slldes he prepared for President Trump showing that not only does CO2 have no significant effect on whether Earth warms or cools, but the trace gas does have a lot to do with human survival and prosperity.

Link to video