“From a valuation standpoint, Landsat is an extremely valuable public good just in its direct use—let alone the economic value of all the indirect uses built on the direct data.”


“[T]he case for open data is more than proven by Landsat and Copernicus. Many innovative applications using these datasets are the dividends that benefit the taxpayer.”


“The availability and accessibility of remotely sensed digital imagery obtained from Landsat satellites allow coastal scientist—and more importantly community members—the opportunity to map, evaluate and continuously monitor shoreline movement at regular intervals given the unprecedented pace of Arctic climate change.”


“The growth of open satellite-image archives such as Landsat is leading to more sophisticated data products.”


“Landsat is really important because it gives us that time component. We can go back in time and see what an area let’s say a coastal zone or a mangrove forest has been like over time.”


“Without Landsat, we’d still be in the Dark Ages of tracking global forest carbon using spreadsheet models.”


“Landsat has allowed managers to observe regional trends in kelp canopy area and biomass across more than 30 years. This is very valuable.”


“We are learning more about cool things to do with Landsat at a faster rate than anytime in the past.”


“A 35-year dataset in marine biology is really hard to find… But we need long-term data to understand climate change and how it impacts populations. This was an exponential increase in the amount of information available about kelp forests in Oregon.”


“We can really say that we have achieved a level of remote sensing and Earth observation that we have never had before. We’re in the golden age right now with these satellites.”


“Usage rocketed in 2008, when Landsat made its images free. More than a million images were downloaded in the first year, compared with a previous annual high of 25,000 images sold. More than 20 million images have been downloaded since the archive opened and the rate continues to increase.”


“The resolution of Landsat imagery and the size of the Landsat database enables critical insight for scalable, high resolution flood detection in several key ways… This increased resolution is particularly critical in urban areas.”


“Since late 2008, when Landsat data was made available to all users free of charge, over 22 million Landsat scenes have been downloaded through the USGS-EROS website—and the rate of downloads is still increasing.”


“Last year the White House found that GPS, weather satellites, and Landsat are the three most critical types of Earth-orbiting assets for civil applications, because they’re used by many economic sectors and fields of research.”


“The novelty of our study lies in the bigger picture—measuring glacier change over all main glaciated ranges in Bolivia—and in the identification of potentially dangerous lakes for the first time.”


“Usage rocketed in 2008, when Landsat made its images free. More than a million images were downloaded in the first year, compared with a previous annual high of 25,000 images sold. More than 20 million images have been downloaded since the archive opened and the rate continues to increase.”


“Landsat is currently the only satellite program to provide a consistent, cross-calibrated set of records stretching back over more than four decades, which in turn means the program occupies a key position in the provision of terrestrial essential climate variables.”


“Landsat provides wide coverage of the Himalayas for years with spatial and spectral quality, especially now, with Landsat 8 that has enhanced spectral resolution, which enables the monitoring of glacier state.”


“Without Landsat it would be essentially impossible to get good Ground Control Point locations from other sources.”


“Landsat’s free and open data policy allows our coastline mapping methods to be easily scaled up and applied to other coastal regions, lowering barriers to understanding recent patterns and processes of coastal change globally.”


“Now that the entire Landsat archive is freely available it has become economically feasible to monitor disturbance over large areas using satellite time series.”


“Landsat is the longest civil satellite data collection we have. The USGS opening the archive has created opportunities for instructors like us to integrate students.”


Landsat 9 bw
Landsat 9 bw
Landsat 9 bw

The NASA/USGS Landsat Program provides the longest continuous space-based record of Earth’s land in existence. Landsat data give us information essential for making informed decisions about Earth’s resources and environment.