Deforestation is driven by large commercial enterprises, not subsistence farmers—and our strategies for reducing deforestation should reflect this.

The new treaty limits the number of deployed warheads for each country to 1,550 as well as limits the number of both deployed and non-deployed delivery systems.

We set out to examine the long-term economic and environmental costs and benefits of increasing the renewable electricity and energy efficiency standards.

California’s Global Warming Solutions Act (AB 32) requires California to cut its global warming pollution to 1990 levels by 2020.

Because the nuclear industry cannot or will not meet fire protection regulations and the NRC does nothing about it, Americans face undue risk.

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

Analysis of the BX-1’s guidance mechanism indicates that it could not maneuver at close range around another country’s satellite

If the United States continues burning coal the way it does today, it will be impossible to achieve the reductions in heat-trapping emissions needed to prevent dangerous levels of global warming.

REDD could substantially decrease the severity of climate change.

Cost-effective fuel economy standards nearing 40 mpg are possible with current and near-term technologies.