World Business Council for Sustainable Development
International Emissions Trading Association
The Climate Group
International Association for Standardization

Emissions Trading Programs
This page provides an indicative list of emissions trading programs. Verifiers must check that a project activity does not fall within one of these programs or any other emissions trading program.

Mandatory ETS
EU Emission Trading Scheme
New South Wales Abatement Scheme
Kyoto Protocol Emissions Trading

Proposed Mandatory ETS
New Zealand Emission Trading Scheme
Australia Emission Trading Scheme
Regional Greenhouse Gas Initiative

Voluntary ETS
Chicago Climate Exchange
Japan Voluntary Emissions Trading Scheme

Registries
California Climate Action Registry
The Climate Registry
CSA's GHG CleanProjects Registry