All reports

Report
Safir space launch vehicle

Model of a 2-Stage Safir Launch Vehicle

On February 3, 2009, Iran placed a small satellite in orbit for the first time. Analysts have questioned what technical characteristics the Safir 2 launch vehicle would require in order to place a 27-kg satellite in orbit.
Report
Steam rising from nuclear power plants.

Fire When Not Ready

Because the nuclear industry cannot or will not meet fire protection regulations and the NRC does nothing about it, Americans face undue risk.
Report
Map showing best and worst airports for flight delays

Getting There Greener

The Union of Concerned Scientists presents the first comprehensive analysis—peer-reviewed by experts—of the highest-carbon and lowest-carbon options for vacation travel.
Report

Importing Pollution

We must take critical steps to ensure that the regional greenhouse gas initiative doesn't unwittingly contribute to greater use of coal elsewhere.