designs analytical methods to evaluate clean energy investments (photovoltaics, solar thermal, wind, energy efficiency) and builds software programs based on these methods

focuses on linking renewable energy resources around the world using international electricity transmission

industry and investor portal for renewable energy featuring news, companies and research

offering complete solar PV solutions for businesses and homes, from consultation to design and installation

a comprehensive buyer's guide and business directory to more than 4800 renewable energy businesses and organizations around the world

the World Resources Institute helps office-based organizations understand climate change and the practical steps they can take to measure and reduce their CO2 emissions