Climate change is possible the largest problem facing current and future generations. A largely unknown fact is that the built environment is one of the largest sources of carbon emissions - more than other sources such as vehicles and factories. This means that a major effort is needed to renovate existing buildings and only build "green" buildings in the future. For nonprofit and humanitarian organizations, constructing sustainable buildings appears to be cost-prohibitive. However, cash strapped organizations can benefit from the availability of many grants designated for sustainability...