Rabbits stick to their Carbon Budgets: Difference between revisions

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* The City of Melbourne is part of a grouping of 100 cities from around the world ('''C40 Cities Climate Leadership Group''')  have committed to reducing GHG emissions consistent with a 1.5degC World (67% confidence) [https://takethejump.org/the-science].
* The City of Melbourne is part of a grouping of 100 cities from around the world ('''C40 Cities Climate Leadership Group''')  have committed to reducing GHG emissions consistent with a 1.5degC World (67% confidence) [https://takethejump.org/the-science].
* Emission targets have been informed by a report titled '''The Future of Urban Consumption in a 1.5°C World''' [https://www.arup.com/perspectives/publications/research/section/the-future-of-urban-consumption-in-a-1-5c-world]
* Emission targets have been informed by a report titled '''The Future of Urban Consumption in a 1.5°C World''' [https://www.arup.com/perspectives/publications/research/section/the-future-of-urban-consumption-in-a-1-5c-world]
* Take the Jump aims to reduce GHG emissions through the following actions:
** Reducing the number of new clothing items bought each year
** A shift to a plant based diet
** Keep electrical products for 7 years
** No personal cars for travel
** Holiday local or travel short haul once every 3 years
** Advocate for systemic change


= C40 Cities and Climate Change Pledges =  
= C40 Cities and Climate Change Pledges =  

Revision as of 18:56, 1 January 2023

Take the Jump

  • The City of Melbourne is part of a grouping of 100 cities from around the world (C40 Cities Climate Leadership Group) have committed to reducing GHG emissions consistent with a 1.5degC World (67% confidence) [1].
  • Emission targets have been informed by a report titled The Future of Urban Consumption in a 1.5°C World [2]

C40 Cities and Climate Change Pledges

  • C40 Cities (which include Melbourne and Sydney) have set the following targets
    • 50% reduction in emissions by 2030 (based on 2010 emission levels)
    • net-zero emissions by 2050

Climate math: What a 1.5-degree pathway would take

  • These targets are based on good science [3].
    • A 50-55% reduction on CO2 emissions by 2030 based on 2010 levels
    • Staying within a 570 GtCO2 cumulative carbon budget. Budget of 570 GtCO2 emissions from 2018 onward offers a 66% chance of limiting global warming to 1.5°C, when assessing historical temperature increases from a blend of air and sea-surface temperatures.

Limitations

  • There limitations associated with these targets.
    • During the period of steep mitigation of non-CO2 greenhouse gases are not addressed
    • The achievement of net zero emissions to 2050 relies on reforestation and carbon-removal technologies such as bioenergy with carbon capture and storage (BECCS) and direct air carbon capture and storage (DACCS) - so-called Negative emissions. Some of these technologies are in their infancy and unproven at the scale required in the model.

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