GlobalCarbonProject

@gcarbonproject

Human perturbation of the carbon & other biogeochem. cycles; integration of biophysical and human dimensions; decarbonization pathways.

globalcarbonproject.org
Joined November 2013
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  1. Pinned Tweet
    Nov 3

    The Global Carbon Budget 2021 just published (preprint) Additional resources at

    4 replies 66 retweets 158 likes
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  2. Retweeted
    Dec 13

    (1) Bioenergy crops + carbon capture and storage = BECCS . 🌟 Delighted to share our new publication on the full climate effects of BECCS future scenarios, through their biophysical impacts on climate ↘️

    2 replies 7 retweets 30 likes
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  3. Retweeted
    Dec 9

    I'm often asked the what and why of . Here, I cover the basics in a short explainer video for . 👇 🌍

    2:10
    Every tonne of carbon dioxide we add to the atmosphere adds to . To stabilize , we need emissions to reach . So, what does mean? scientist @joeri_rogelj explains… Read more ➡️ Watch ⬇️
    3 replies 38 retweets 106 likes
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  4. Retweeted
    Jun 21

    1/n Global N2O Budget (nitrous oxide): - third most important GHG - 298 times more powerful GHG than CO2 - It remains in the atmosphere for 116 years (shorter than CO2, longer than CH4) - N2O emissions and concentrations continue to increase paper 2020:

    1 reply 11 retweets 35 likes
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  5. Retweeted
    Dec 9

    The "sink rate" is a misleading metric in my view. In fact, land and ocean carbon sinks vary more like log(CO2), so sink rate as defined by dividing the sink by the CO2 excess will necessarily drop with CO2. Better to define a sink efficiency as: sink/log(CO2/CO2(0))?

    The 'sink rate' is the combined land–ocean CO₂ sink flux per unit mass of excess atmospheric CO₂ above preindustrial concentrations. It is thought to be a measure of the sink efficiency. 4/4
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    6 replies 1 retweet 16 likes
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  6. Retweeted
    Nov 4

    We have an interactive tool on fossil CO2 emissions at the country level where you can explore and compare up to five countries and different 5-year periods. For the large emitters, with 2021 preliminary data.

    2 replies 16 retweets 48 likes
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  7. Dec 8

    Carbon analytics for net-zero emissions sustainable cities. A new carbon accounting approach anchored upon key physical provisioning systems can help to address these knowledge gaps and facilitate urban transitions.

    1 retweet 5 likes
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  8. Retweeted
    Nov 18

    Compare CO2 emissions from a country (territorial emissions) with emissions from the goods and services consumed in that same country. Some countries outsource CO2 emission, while others have higher emissions because export products.

    7 retweets 14 likes
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  9. Retweeted
    Nov 30

    We continue to build towards the delivery of our global assessment of regions (RECCAP2) next year. Magnitude and Uncertainty of Nitrous Oxide Emissions From North America: Informing Future Research and National Inventories

    4 retweets 8 likes
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  10. Dec 6

    Why India is neglecting its methane problem

    2 retweets 3 likes
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  11. Retweeted
    Dec 4

    Would be grateful if you could forward to suitably qualified individuals. International applicants are welcome.

    4 retweets 6 likes
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  12. Retweeted
    Nov 22

    False precision to climate outcomes given during COP26 may lead countries to believe good progress is made, when the opposite may indeed be the case. Our findings indicate current policies & policy pledges can still lead to warming outcomes of 3°C in 2100.

    , , and 7 others
    43 replies 291 retweets 720 likes
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  13. Dec 3

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  14. Retweeted
    Nov 30

    Two years ago - we published a new scenario logic to avoid risky and unfair climate change scenarios in . Yesterday, two new studies in apply this logic and find that avoiding overshoot is the right thing to do both to reduce risks and overall costs. /1

    8 replies 113 retweets 290 likes
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  15. Nov 30

    We continue to build towards the delivery of our global assessment of regions (RECCAP2) next year. Magnitude and Uncertainty of Nitrous Oxide Emissions From North America: Informing Future Research and National Inventories

    4 retweets 8 likes
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  16. Retweeted
    Nov 5

    26% of all CO2 emissions from human activities is taken up by the ocean and about 29% by terrestrial ecosystems. The rest stays in the atmosphere = climate change. (annual average, 2011–2020) Carbon Budget 2021 Figures: Data:

    1 reply 16 retweets 43 likes
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  17. Retweeted
    Nov 27

    What is the shelf life of a scenario for policy applications? According to the IPCC SR15 (published 2018), coal needs to drop ~70% from 2020 to 2030, but most of the scenarios already have a big drop by 2020. Only 2 scenarios have higher coal in 2021. What number do I use?

    3 replies 13 retweets 34 likes
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  18. Retweeted
    Nov 27

    post doc to work with Stephen Sitch and me on land carbon response to CO2 and N limitations and be part of the wonderful team 👇

    Now recruiting for a Postdoctoral Research Fellow to participate in the ESM2025 project in the College of Engineering, Mathematics and Physical Sciences. . Find out more:
    11 retweets 10 likes
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  19. Retweeted
    Nov 27

    Postdoc position just opened to work with us at ⁦⁩ on land carbon cycle, response to CO2, N limitations and be part of the ⁦⁩ project. ⁦⁩ Apply via (). Deadline 22/12

    30 retweets 34 likes
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  20. Retweeted
    Nov 27

    When it comes to zero emissions, both journey and destination matter. Warming depends on cumulative emissions, and delaying emissions reductions could result in ~0.15C more warming compared to a linear decline to zero by 2050.

    16 replies 134 retweets 400 likes
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  21. Retweeted
    Nov 19

    New era of remote sensing continues, from biomass to imaging spectroscopy... cool review of what's to come from NASA, ESA, USGS (& what I've been spending a lot of time on w JPL colleagues)

    1 reply 34 retweets 111 likes
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