The main point that I want to make concerns the threat of irreparable harm, which I feel we have not communicated well enough to people who most need to know, the public and policymakers.

In response to the study outlined here, NASA launched a new operation to assess ice melt, OMG (Ocean Melting Greenland). https://omg.jpl.nasa.gov

• Hansen’s YouTube channel https://www.youtube.com/channel/UCn3YhsvlaJ-UUsFyuhZA9Mw
• Ice melt, sea level rise and superstorms: evidence from paleoclimate data, climate modeling, and modern observations that 2 °C global warming could be dangerous
  http://www.atmos-chem-phys.net/16/3761/2016/
• Read the full transcript http://csas.ei.columbia.edu/2016/03/22/ice-melt-sea-level-rise-and-superstorms-the-threat-of-irreparable-harm/