We know that the price of direct air capture (DAC) is currently prohibitively high but it is equally well understood that both engineered and nature-based carbon removals are likely to be critical to capping global temperature rises at 1.5 degrees Celsius. The UN's Intergovernmental Panel on Climate Change (IPCC) warned last year that greenhouse gas emissions have risen so quickly that large-scale carbon removal is "unavoidable" if the world is to stave off the worst impacts of climate change. READ MORE