Earth's climate is changing - understanding how has become one of the biggest scientific projects ever undertaken. But the epic scale of this study has made it remote and difficult to understand; we're overwhelmed by a blizzard of information and no-one knows which bits to believe. A timely and intriguing take on an urgent issue, Climate Change by Numbers reveals why scientists are so certain they are right, where we have reached the limits of our knowledge, and what uncertainty really means.

Streaming video file encoded with permission for digital streaming by Infobase on October 01, 2015.

Introduction: Climate Change By Numbers: Part 2 --(3:22) -- The Cause is Humans -- (2:57) -- Isolating Factors -- (2:12) -- Accounting for Natural Variations -- (3:05) -- Carbon Dioxide's Effect on Temperature Change -- (2:29) -- Invention of Weather Grid-Squares -- (2:31) -- Meteorologist Super Computer -- (1:34) -- Mount Pinatubo Erupts -- (3:16) -- Human Carbon Fingerprint -- (3:08) -- Carbon Dioxide Budget -- (2:52) -- Predicting the Future -- (2:50) -- The Monte Carlo Method -- (4:25) -- Predicting Earth's Climate -- (1:59) -- Extreme Value Theory -- (3:26) -- Frequent Extreme Weather -- (5:20) -- Credits: Climate Change By Numbers: Part 2 -- (0:37).