Kitchen composting.

Biofuels made from Biosolids

Biofuels made from anything organic

Amy Lin
Dirty Hands Design Studio,
Santa Fe, NM,

New Toilets

Waste Treatment
Biosolids - 18-day process
used for land application

BioSolids for Agriculture

Part 1

part 2

part 3

Terra Preta - "Black Earth"

Bill Gates challenges innovators to design a toilet that doesn't use water.

New Toilets

Don't call anything "WASTE."