AP World History 101. Feudalism and the Crusades Video. Feudalism developed in Western Europe at around 800 C.E. from the remnants of the Western Roman Empire. As a result of central authority being unable to perform its functions and prevent the rise of local powers, this decentralized organization formed.
LEED, which stands for Leadership in Energy and Environmental Design, is a certification program focused primarily on new, commercial-building projects and based upon a points system. The more points you earn, the higher your rating.
As the green building market continues to grow in importance, it will pay for electrical contractors to be aware of its electrical requirements and ways these can be implemented. But LEED is not necessary to deliver âsustainable lightingâ to a new or existing building.he intent of this credit is to provide control of light levels to individuals and groups in multioccupant spaces. To obtain this point, LEED 2009 requires individual lighting controls to be provided to 90 percent of the occupants, while also providing similar controls in all shared multioccupant spaces.