Explainers

The US transportation sector consumes more oil than all other US sources combined, dirtying our air and costing billions.

To figure out what parts of our lives have the greatest impact on global warming, our experts conducted two years of in-depth research using a computer model that tracked emissions in 500 separate spending categories.

The Clean Air Act

The international controversy over emails stolen from the University of East Anglia’s Climatic Research Unit has generated a lot of heat.

UCS coverage of the crisis that developed at the Fukushima Daiichi nuclear power plant in the wake of the March 11, 2011 earthquake and tsunami.

This FAQ answers questions about the nuclear crisis in Japan.

MOX fuel, short for mixed-oxide fuel, is a mixture of uranium and plutonium oxide. It carries risks.

Factsheet on the Reprocessing of Spent Fuel from Nuclear Reactors.

Reprocessing increases the total volume of radioactive waste.

Texas oil companies spent millions on a deceptive ballot campaign to pass Proposition 23, the dirty energy proposition.

Catastrophes cause great physical harm, but they also impose a less obvious toll on the human psyche.

With climate change, the water cycle is expected to undergo significant change.