provided a larger view of how the climate changes and what impacts and affects our climate change in particular you have mentioned water and ice caps there s also other missions like us out there or s moss who are measuring changes of the mass balance and the ice balance and therefore given your central measurement so far of what the state of our climate is how much ice is melting and how this affects our water levels and also finally increase or for temperatures no service particle or global change so clearly climate change is a hugely contentious political issue depending on where in the world you are you re the science you go where you gather the data and then do what s with it does your data gathering actually have any impact on policy. i hope they do but we really gather. information that cannot be disputed because these are facts what