For more than twenty years, policymakers have struggled to find ways to reduce greenhouse gas emissions enough to stop global climate change. Congress is likely to enact federal climate legislation in 2009, but many scientists fear that emissions reductions may not occur quickly enough to prevent significant warming. Some scientists...

After years of deadlock over climate policy, Congress appears poised to enact the first federal limits on greenhouse gas emissions this fall.

Geoengineering could prove to be a viable solution to global warming.

As the House plans to vote on the legislation, AEI energy and environmental scholars find many problematic elements within the proposed bill, and all note that this legislation consists, at its core, of a cap and trade program for greenhouse gases.

There are two things the president must do in the coming days to increase public confidence in his administration's response to this crisis.

Geoengineering could prove to be a viable solution to global warming.

Samuel Thernstrom believes geoengineering may have an important role to play, both practically and conceptually, in the climate challenge process.