Mulch

In order to keep water from evaporating from the soil, farmers often cover the ground around their crop plants with sheets of polyethylene plastic. There could soon be a more eco-friendly alternative, though, in the form of soybean oil-coated sand.

The Muncher is a prototype system that rapidly converts municipal organic waste into compost.

Cotton is being used for many purposes, including reducing pollution, insulating homes, cleaning up oil spills, and feeding the hungry.

Resomation and corpse composting are two alternatives to disposing of corpses which claim to be greener than burial and cremation.