Discover and read the best of Twitter Threads about #negativeemissions

Most recents (3)

Goal of @wim_carton talk on #negativeemissions is for everyone to understand twitter joke about #beccs by @DoctorVive & why it’s funny. Great meta #scicomm!
Paris Agreement aims to stabilize climate thru “balance of sources and sinks”. @wim_carton gives overview of various negative emissions tech - all aim to prevent/remove carbon from atmosphere and transfer to land/geology/oceans.
Here’s what bioenergy with carbon capture and storage #BECCS looks like. Burn vegetation for energy, capture carbon. @wim_carton
Read 17 tweets
It doesn't matter how long it has been that earth saw these kind of CO2 concentrations in her atmosphere.

115k, 3M, 20M, 34M, 56M or 200M years ago?

More important is the rate of increase of CO2 in the atmosphere during the last few decades.
Biggest rate in about 420M years!
Because methane is getting the main contributor to global warming, it doesn't matter which GWP factors (100-year factors, 20-year factors or 10-year factor) we use to calculate the total CO2 equivalent of the main GHG's (N2O, CH4 & CO2 itself).
CO2e (N2O+CH4+CO2):
100-yr GWP: 584 ppm (99+65+420)
20-yr GWP: 674 ppm (89+165+420)
10-yr GWP: 710 ppm (83+207+420)
Read 7 tweets
Next Wednesday @CityofVancouver staff report back to #Council on ramping up our #ClimateAction, in line with the #IPCC science and in response to the #ClimateEmergency. Here’s my breakdown of the recommendations 👇
This #ClimateEmergency report outlines 6 Big Moves for Council to direct staff to pursue & come back w. comprehensive/costed plans. Plus 53 Accelerated Actions to move on now. The targets are strong & won’t be easy. This is what governing in line with the science looks like.
Big Move 1: By 2030, 90% of people will live within an easy walk/roll of their daily needs (we’re at 45%). Focused on land-use & complete n'hoods, it would ⬇️ 153,000 tonnes carbon/year, while creating ⬆️ housing choices, ⬆️ social interaction, and supporting local businesses.
Read 17 tweets

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