The Azimuth Project
Regional Greenhouse Gas Initiative (Rev #1)


The Regional Greenhouse Gas Initiative, abbreviated RGGI or ReGGIe, is an initiative by states and provinces in the Northeastern United States region to reduce greenhouse gas emissions:

The RGGI has a carbon trading program that covers emissions from power plants, and they are already doing auctions.

There are two categories of members: participants (shown in dark gray above), and observers. The participants are:

  • ten states of the U.S.: New York, New Jersey, Delaware, Maryland, and all the New England states, namely Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

The observers are:

  • The U.S. state of Pennsylvania and the Canadian provinces of New Brunswick, Ontario, and Québec.

Pennsylvania is a large producer of coal. Ontario and Québec are members of the Western Climate Initiative.


category: organizations