GOP may finally succeed in unrelenting quest to kill two NASA climate satellites

Before satellite measurements, researchers relied on estimates and data from a smattering of air and ground-based sensors. An instrument on Mauna Loa, Hawaii, with the longest record of direct carbon dioxide measurements, is also slated for shutdown under Trump’s budget.

It requires a sustained, consistent dataset to recognize trends. That’s why, for example, the US government has funded a series of Landsat satellites since 1972 to create an uninterrupted data catalog illustrating…