Eion, a carbon removal company turning the proven science of enhanced rock weathering (ERW) into a scalable climate solution, announced a contract to deliver 8,000 tons of permanent carbon dioxide removal to Microsoft. And Eion also announced it has closed $3 million in Series A extension funding from agricultural distributor Growmark, AgFunder, Ridgeline, Trailhead Capital, Overture Partners, Mercator Partners, Exelon Foundation, and others.