CDR Daily Digest — March 3, 2026
Five stories. Three continents. One theme: the CDR field is moving from theory to measurement. 🪨 ERW’s 1.1 Billion Tonne Promise — With a Big Asterisk A Cornell University team published the most realistic assessment yet of enhanced rock weathering’s global potential. Spreading crushed basalt on agricultural land could remove 350–750 Mt CO₂/year by 2050 and up to 1.1 Gt CO₂/year by 2100. The numbers are encouraging. Asia, Latin America, and sub-Saharan Africa have the highest potential — warmer, wetter climates accelerate mineral weathering, and farmers in these regions stand to benefit from the soil nutrient boost. ...