AASHE – Association for the Advancement of Sustainability in Higher Education
www.aashe.org

AGENEAL – Agência Municipal de Energia de Almada 
www.ageneal.pt

California Climate Change Portal
www.climatechange.ca.gov

Clean Air – Cool Planet
www.cleanair-coolplanet.org

EFDB – Database on Greenhouse Gas Emission Factors
www.ipcc-nggip.iges.or.jp

Environment
www.ec.europa.eu

Environmental Canadá
www.ec.gc.ca

EPA – Environmental Protection Agency
www.epa.gov

European Environment Agency
www.reports.eea.europa.eu

Greenhouse Gas Protocol
www.ghgprotocol.org/

HEAT – Harmonized Emissions Analysis Tool
www.heat.iclei.org

ICLEI – Local Governments for Sustainability
www.iclei.org

NYC.gov
www.home2.nyc.gov

Secretaría de Ambiente y Desarrollo Sustentable de la Nación
www.medioambiente.gov.ar

Secretaría del Medio Ambiente (Ciudad de México)
www.sma.df.gob.mx/sma/

State of New Jersey – Global Warming
www.state.nj.us/globalwarming/

The Greenhouse Gas Protocol (GHG Protocol)
www.ghgprotocol.org/

UNFCCC – United Nations Framework Convention on Climate Change
www.unfccc.int

Venezuela and the United Nations Framework Convention on Climate Change
www.unfccc.int