The US government might charge for satellite data again – here's why that would be a big mistake
- Written by Zhe Zhu, Assistant Professor of Natural Resources and the Environment, University of Connecticut

Landsat is one of the most important U.S. satellite systems. Since the program’s launch in 1972, Landsat satellites have provided the longest-running terrestrial satellite record and collected more than 5.6 million images.
For a long time, the U.S. government charged a fee for...