Nature News reports on our declining capacities for remote earth observation.
Climate scientists have a list of a couple of dozen ‘essential climate variables’ (see ‘The dimensions of the problem’) that they would wish to see monitored in perpetuity.
The story they tell isn’t a simple one, as some claim is the case with DSCOVR a.k.a “GoreSat”.
However, it does seem like whatever you might think about climate simulation you probably ought to be in favor of data. This is slightly more important than Mars right now.