Bryan Walker • Dec 13, 2010 •
We’ve frequently reported on the progress of NZ company Carbonscape (follow the Carbonscape tag) which makes charcoal using a microwave process. They’ve just announced what they describe as a world first in the production of the highly porous charcoal known as Activated Carbon (AC). “Using its patented continuous-flow microwave technology, Carbonscapeâ„¢ has produced high-grade and [...] … Read More
Bryan Walker • Oct 06, 2010 •
The idea that a rise in global temperature of no more than two degrees above pre-industrial levels is a safe target for the world to aim for is widely accepted in political forums where the measures needed to stay within that range are considered. Not universally accepted though. The small island states and many others [...] … Read More
Bryan Walker • Jan 02, 2010 •
Buried among the emails which accumulated while I was in hospital was one from Carbonscape, the NZ company working on biochar, drawing my attention to an article in the UK Sunday Times. It missed proper attention until I tidied up my inbox yesterday, but even a few weeks late I think it’s worth reporting, [...] … Read More
Bryan Walker • Sep 25, 2009 •
British geologist Chris Turney is just back from fieldwork in Svalbard, the island archipelago situated halfway between Norway and the North Pole. He has written about it in his popular science blog, under the title A Warning From the North. I’ll draw attention to some of his main points here, but first a reminder [...] … Read More