Carbon emissions
Can ASU’s MechanicalTree remove enough carbon to slow climate change? – Cronkite News
Photo: A stainless steel drum sits below a blue gantry at Arizona State University in Tempe on March 15, 2022. The drum is filled with 150 sorbent-filled discs, which are pulled apart like an accordion to expose them to more air, says Travis Johnson, associate director of ASU’s Center for Negative Carbon Emissions. (Photo by
