The United Nations-backed Intergovernmental Panel on Climate Change (IPCC) has previously estimated the world will need to remove an average of 10 gigatons –10 billion tons – of carbon dioxide (CO2) a year from the atmosphere by 2050.
The latest measurement of CO2 (at March 12) was 414.06ppm, compared with February 2019’s 412ppm average, and 360ppm 25 years ago (let alone pre-industrialisation’s estimated 250ppm), according to Azeem Azhar’s weekly newsletter, so there is plenty to do.
Reducing emissions through renewable power generation is helpful in this goal but agriculture, industry and transport are heavy carbon emitters, and so decarbonisation also requires some forms of capturing the gas from the air. Carbon Clean Solutions (CCSL), a UK-based low-cost CO2…
