“Green Building” can mean more than just building environmentally-friendly or energy-efficient structures – clean energy and green techniques can also be used during the construction process itself. This videos show how 150 construction workers in Binghamton, New York are on the job without a single conventional generator in use.

While pine makes a great mulch, other tree products that have the same characteristics might be slightly more sustainable. Eucalyptis, for example, grows rapidly like bamboo and is highly abundant, allowing it to be harvested and regenerated in a more predictable manner than pine. But remember, it is usually more sustainable and simple to use whatever product grows nearest you.