This page lists the U.S. National Science Foundation's current environmental reviews of its potential investments.
For proposed actions, NSF complies with environmental and historic preservation laws such as the "National Environmental Policy Act," the "National Historic Preservation Act," and the "Endangered Species Act," among others. NSF considers and, as appropriate, addresses potential environmental impacts such as effects on biological, historic and cultural resources, including tribal resources.
Current environmental reviews
Thirty Meter Telescope
NSF is considering a potential future investment in the construction and operations of an Extremely Large Telescope in the Northern Hemisphere: the Thirty Meter Telescope.