Terra preta is apparently wonderful and will help us fight climate change. World Changing has a great post about the human made fertilizer that will probably answer all your questions about terra preta.

Because terra preta locks so much carbon in the soil, it’s also a form of carbon sequestration that doesn’t involve bizarre heroics like pumping CO2 down old mine shafts. What’s more, it may reduce other greenhouse gases as well as water pollution: according to Biopact, a network that promotes biofuels and biomass energy…