Splitting water for fuel while removing CO₂ from the air
The longer we wait to take serious action on climate change, the more necessary it becomes to remove some of the CO2 we've already put in the air. In fact, the scenarios in the most recent Intergovernmental Panel on Climate Change report in which warming was limited to 2°C relied heavily on CO2 removal. Adoption of the necessary technology still seems too far off, given the current lack of market incentives and supporting policies. The technique seen as most likely to scale up involves growing...