1. Green building

... on-site renewable energy.   Green building materials Building materials typically considered to be ''green'' include rapidly renewable plant materials like bamboo and straw, lumber from forests certified ...

2. Sustainability

... resources more rapidly than they are being replaced by nature. Consequently, a collective human effort to keep human use of natural resources within the sustainable development aspect of the Earth’s finite ...

3. Sustainable Energy

... in our lifetimes. Efficient energy use is essential to slowing the energy demand growth so that rising clean energy supplies can make deep cuts in fossil fuel use. If energy use grows too rapidly, renewable ...