Report
Department of Defense illustration of a hypersonic test vehicle

Slowing the Hypersonic Arms Race

Hypersonic weapons are named after a specific velocity regime—five times the speed of sound or greater. But this nomenclature is misleading, as these flight speeds are nothing new.
Report
Coal plant

Support Coal Workers

Analysis finds it is possible to support coal workers in the clean energy transition and that these comprehensive policies are affordable.
Map
Map of US Coal Counties

Coal Counties

This map shows the 462 coal counties as defined by this analysis, with darker shades representing those meeting more of the risk criteria.