News
US government considers charging for popular Earth-observing data
Images from Landsat satellites and agricultural-survey programme are freely available to scientists — but for how long?
Martin herold has been quoted in a newsitem in Nature on the issue US government is considering whether to charge for access to Landsat satellites imagery.
Although the European Space Agency’s Sentinel-2 satellites provide free global imagery that is updated as often as every 5 days, at resolutions up to 10 metres, they cannot match Landsat’s 46-year record