Sunday, 15 August 2010

Does Biochar Deliver Carbon-Negative Energy?

(May 19, 2010) Johannes Lehmann, Associate Professor of soil biogeochemistry at Cornell University, discusses the characteristics of naturally occurring terra preta including its agricultural and carbon sequestering benefits and then turns to considering the factors involved with implementation industrial biochar systems for large-scale carbon sequestration and energy provision.

Stanford University

Biogeochemistry at Cornell University

Stanford Energy Seminar

Stanford University Channel on YouTube

Tuesday, 3 August 2010

Medium sized TLUD wood gas stove

Play slide show for easy navigation.

A larger version of a TLUD wood gas stove, rotates in stand for emptying. A large flat iron plate edged by bricks servesas the base and containment to break up char.

More photos of some stove evolution.

Everything nice stove