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A Appendix
A.1 Ethics statement
Although satellite imagery in general can pose ethical concerns for surveillance and military appli-
cations, the imagery used to pre-train our models is low resolution (30 m/px) and cannot be used
for such purposes. The primary applications Landsat imagery is useful for are Earth observation, in-
cluding downstream tasks like climate change, agriculture, and ecology. While model training does
contribute to greenhouse gas emissions, we believe that the benefits of such foundation models,
especially their ability to reduce training demands for end users, outweigh these contributions.
A.2 Licensing
All data used to create our datasets is released by the USGS under public domain, and may be
used, shared, transferred, or redistributed without restriction. All datasets and models we create are
released under a CC0 1.0 Universal license. All code, including training scripts and core Torch-
Geo contributions, is released under an MIT license. The authors bear all responsibility in case of