Interesting question. Center for Energy Efficiency and Renewable Technologies (CEERT) was recommended by Brian. This organisation focuses specifically on efficiency improvements and renewable energy, rather than habitat or biomass preservation. You can view more of his reasoning here . There are probably other effective charities out there that focuses on energy efficiency and renewable energy.
Interesting question. Center for Energy Efficiency and Renewable Technologies (CEERT) was recommended by Brian. This organisation focuses specifically on efficiency improvements and renewable energy, rather than habitat or biomass preservation. You can view more of his reasoning here . There are probably other effective charities out there that focuses on energy efficiency and renewable energy.