nonprofit organization
A nonprofit organization (NPO) or non-profit organisation, also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in co ...
based in the
Presidio
A presidio ( en, jail, fortification) was a fortified base established by the Spanish Empire around between 16th century, 16th and 18th century, 18th centuries in areas in condition of their control or influence. The presidios of Captaincy Genera ...
in San Francisco, California. It works to promote the retail renewable energy market in the United States by developing consumer-protection programs in
renewable energy
Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, the movement of water, and geothermal heat. Although most renewable energy ...
,
greenhouse gas
A greenhouse gas (GHG or GhG) is a gas that Absorption (electromagnetic radiation), absorbs and Emission (electromagnetic radiation), emits radiant energy within the thermal infrared range, causing the greenhouse effect. The primary greenhouse ...
reductions, and
energy efficiency
Energy efficiency may refer to:
* Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process
** Electrical efficiency, useful power output per electrical power consumed
** Mechanical efficiency, a ra ...
. Founded in 1997 by Jan Hamrin, CRS administers the Green-e Climate,Green-e Climate Website: http://www.green-e.org/climate /ref> Green-e Energy,Green-e Energy Website: http://www.green-e.org/energy /ref> and Green-e MarketplaceGreen-e Marketplace Website: http://www.green-e.org/marketplace /ref> certification programs.