SpaceX Just Made History, But Its Next Mission Is Even More Important | ThinkProgress

For its next mission, SpaceX will partner with NASA, the National Oceanic and Atmospheric Administration (NOAA), and the French Space Agency (CNES) to launch a satellite called Jason-3. It’s an ocean measurement satellite, meaning it will be used to measure the height of the ocean from space. In other words, over time, Jason-3 will be able to track global sea level rise...
http://thinkprogress.org/climate/2015/12/22/3734545/elon-musk-spacex-climate-change-nasa-noaa/