Sky-High Carbon Removal Showdown: Climeworks Gen 2 vs. Heirloom Limestone vs. Carbon Engineering’s AIR2 DAC
Climeworks’ Generation 2 DAC uses modular solid-sorbent containers; the Orca plant in Iceland has operated since 2021 at 4,000 t/yr, and Mammoth is designed for 36,000 t/yr (72 modules), though by May 2024 only 12 modules were online and capture
