BECCSBio-Energy with Carbon Capture and Storage (greenhouse gas mitigation)
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Capping global warming at 1.5 C under these circumstances would require converting some 7.6 million square kilometers (km2) -- more than double India's landmass -- to BECCS. Even if temperatures were allowed to climb twice as high, the report concluded, biofuels would still need to cover some 5 million km2.
But it contains a warning about "overshooting" the 1.5.C limit and trying to remove excess carbon dioxide from the atmosphere to get temperatures back down, due to the problems of relying on largely unproved technologies such as Beccs on a large scale.
He and his coauthors estimated that electrogeochemical methods could, on average, increase energy generation and carbon removal by more than 50 times relative to BECCS, at equivalent or lower cost.
[that] may provide an opportunity to reduce C[O.sup.2] [carbon dioxide] concentration in the atmosphere if this option is available at a sufficiently large scale." The report noted that BECCS "is a new concept that has received little analysis in technical literature and policy discussions to date." Not surprisingly, at that time BECCS was not a technology incorporated in IPCC scenarios and models of the future.
These arguments (BECCS and 'enhanced weathering') point out that a globally increased application of rock powder or agrominerals on top of or mixed into soils may be driven by the quest to mitigate global warming.
aIn our model, attaining this Paris target depends on the immediate reduction of carbon dioxide emissions and negative emissions after 2060, which require the use of additional mitigation technologies such as BECCS and direct air capture.
Chapter Four: Bioenergy With Carbon Capture and Storage (BECCS).
The supposed savior technology -- bioenergy with carbon capture and storage (BECCS) -- is not much better.
Denominado BECCS nas negociacoes, envolve o plantio de uma enorme quantidade de grama e monocultivo de arvores para queima de biomassa com fins de geracao de eletricidade, capturando o CO2 emitido e bombeando para reservatorios geologicos subterraneos.