There are a number of building environmental certification systems across the world, such as LEED, Green Star, BRE Environmental Assessment Method (BREEAM) and Display Energy Certificates (DECs).
United States Department of Energy | International Atomic Energy Agency | Leadership in Energy and Environmental Design | Department of Energy | United States Atomic Energy Commission | renewable energy | energy | International Energy Agency | Indian Certificate of Secondary Education | General Certificate of Education | Valero Energy Corporation | United States House Committee on Energy and Commerce | Postgraduate Certificate in Education | solar energy | Secondary School Certificate | Energy | Efficient energy use | 18 certificate | Origin Energy | EDF Energy | Nuclear Energy Agency | International General Certificate of Secondary Education | Higher National Certificate | German nuclear energy project | Federal Energy Regulatory Commission | dark energy | Pakistan Atomic Energy Commission | Energy Star | Devon Energy | Constellation Energy |