As governments begin to consider regulation of greenhouse gases, many are turning to market-based initiatives. Such programs assign emitters a certain share of emissions, and allow them to trade for emissions rights in...

This working paper, created by Denny A. Ellerman of the Massachusetts Institute of Technology, explores the consequences of cap-and-trade policies, where the total air pollutant emissions of a whole set of polluters are...

Helps developing countries fund projects and programs that protect the environment; active in the areas of biodivesity, climate change, international waters, land degradation, ozone protection, persistent organic...

This paper provides an economic analysis of a specific climate change policy: a carbon tax. The analysis attempts to gauge the potential for a carbon tax to create an incentive for research and development, and...

NOAA's Air Resource Laboratory (ARL) provides interactive transport and dispersion modeling at this website. Users can find instructions, trial versions, and a download for the Hybrid Single-Particle Lagrangian...