As the world grapples with an escalating climate crisis, the 28th Conference of the Parties (COP28) has highlighted Direct Air Carbon Capture (DACC) as a vital intervention. The Intergovernmental Panel on Climate Change (IPCC) has set ambitious targets: capturing 85 million metric tons of CO2 by 2030 and 980 million metric tons by 2050, essential for achieving net-zero emissions. Yet, only 19 operational DAC facilities exist globally, facing significant barriers such as high costs and stringent regulations.
A crucial aspect of DACC is its substantial energy and heat requirements, which affect operational efficiency and economic viability. To enhance DACC, a recently published paper in MRS Energy & Sustainability has highlighted the importance of focusing on improving energy efficiency and exploring innovative technologies that reduce energy consumption. Cost optimization is also key; prioritizing research to lower capital and operational expenses will make DAC more accessible.
Creating supportive regulatory frameworks is essential for fostering investment in DACC technologies. Policymakers should collaborate with industry stakeholders to establish incentives and funding to overcome financial barriers.
While COP28 has spotlighted DACC, the journey ahead requires concerted efforts across multiple fronts. Addressing energy demands, optimizing costs, and fostering supportive policies can pave the way for a more effective carbon capture infrastructure, making DACC a cornerstone of our global climate strategy.
For more details, read the full article in MRS Energy & Sustainability 
Atmospheric alchemy: The energy and cost dynamics of direct air carbon capture