CDR geoengineering challenge: low-carbon cement, high-carbon concrete

Current practice is to grind and burn enormous amounts of limestone, releasing equally enormous amounts of CO2 to the atmosphere. But isn’t there some way to reverse the chemical process and still end up with building material?

Sustainable energy possibilities rarely find their way to consumers

Test projects in which governments and companies demonstrate sustainable energy and material inventions are not adopted by the market and other companies. Research by the VU University of Amsterdam shows many such inventions are done, but the amount that ends … Continue reading