Discover and read the best of Twitter Threads about #negativeemissions

Most recents (4)

Pay brown people in the developing world to cook differently and you can relax in the knowledge that the #emissions from your private plane have been compensated.

The beauty of our globalised world is that forest carbon credits just keep getting cheaper.… Image
Perhaps your the cash you pay to #offset your emissions will be used to fund #cleancookstoves in Nepal. Perhaps these cookstoves will land in a village like this one.

Perhaps the company you pay won't do its home work, not even ask people if these stoves work for them.. ImageImageImage
This was just one place in which countless #cookstoves, brand new, had been discarded by the community.

#Offset projects have a very specific, abstract logic to them. Can you guarantee those logics will carry in diverse contexts, for decades to come? #negativeemissions ImageImage
Read 3 tweets
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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