Zero emission? Carbon neutral? Carbon negative? What does it mean to achieve ‘net-zero’ emissions?
Energy Minister Angus Taylor is this week expected to release the government’s first Low Emissions Technology Statement. It’s likely to include ways to remove CO₂ from the air – but do they work?
A federal government plan to increase soil carbon stores is a folly that misunderstands the technology.
A sample of biochar
Unused biomass residues from maize, sorghum, rice, millet and groundnut in Uganda show to offer unique opportunities for circular production and soil amendment of biochar.
It may not be a silver bullet, but biochar has a lot to offer farmers (and the atmosphere).
Evelyn Krull, a research scientist at the CSIRO, asked in these pages whether biochar could save the planet. Eighteen months have passed and although research efforts continue, still no meaningful quantities…