European national science academies report warns tepid emission cuts not enough.
A new European Academies Science Advisory Council (EASAC) report looks at a number of options, including reforestation, soil management, plankton fertilization, industrial CO2 capture plants, biofuels with emissions injected underground for storage, and even the boosting of bedrock weathering reactions.
The report’s conclusions: we have to develop carbon dioxide removal schemes more aggressively, but we also have to cut our emissions enough that we don’t rely on those schemes to save us.
….Those scenarios involved a substantial deployment of technologies to actively remove CO2 from the atmosphere. Without those technologies, we’re even further from sufficient emissions cuts.
That leaves us with a crucial question: can carbon dioxide removal techniques be scaled up to the necessary level in time? A new European Academies Science Advisory Council (EASAC) report—reviewed and endorsed by the national academies of more than two dozen countries—evaluates the outlook for carbon dioxide removal. And it’s not optimistic.…
….The EASAC report finds that few options look like they could scale up to three or four billion tons. And more importantly, none is on track to do so at this point. Reforestation and accumulating carbon in agricultural soils are probably the easiest options to make progress on, for example, but we’re currently still doing the opposite of these things: deforestation and soil degradation are adding to our greenhouse gas emissions, not counteracting them….
….The EASAC report’s conclusions are basically twofold: we have to develop carbon dioxide removal schemes more aggressively, but we also have to cut our emissions enough that we don’t rely on those schemes to save us….