United States · raised · climate
Jade Marcus and Matthew Kanan raised 5.4 million dollars to retrofit idle cement kilns for a silicon fertilizer that captures 2.7 tons of CO2 per hectare in six months.
Mafix activates silicates through thermal ion exchange in cement kilns to produce fast-weathering silicon fertilizer. Field trials show 2.7 t CO2 per hectare captured in six months plus yield gains up to 50 percent in rice.