Dr ValΓ©rie Masson-Delmotte Profile picture
PhD, climate scientist @IPSL/LSCE, CEA, Paris Saclay; co-chair of @IPCC_CH WGI (#AR6). Tweets are my own. I like birds, books, e-bike commuting. Vegetarian.

May 20, 2022, 25 tweets

🎁 Surprise gift!

Based on relevant evidence assessed in the 2021-2022 @IPCC_CH reports, @Goneri76 and I have prepared a virtual box on 🚲 and #climate action.

πŸ™ @leitzell @wolfgangcramer @NadaCaud and other colleagues for comments and suggestions!


Global greenhouse gas emissions from the transport sector πŸš—πŸš›πŸš‚βœˆοΈπŸš’ have increased by around 2% per year between 2010 and 2019, and account for around 15% of global greenhouse gas emissions resulting from human activities.


Shifts to bikes and e-bikes is a modest, yet cheap, option to reduce greenhouse gas emissions #mitigation


In fact, 🚲 cycling is one of the lifestyle changes with the largest potential to reduce our individual carbon footprint.


Each option to reduce greenhouse gas emissions can have other co-benefits or trade-offs with other dimensions of sustainability, related to sustainable development goals #SDGs


And shifts to bikes and e-bikes (and walking) comes with many co-benefits!


Using bikes and e-bikes is affordable, and can support gender equality related to mobility


Cycling and walking is good for heath too.


Active mobility with safe and convenient infrastructure provides direct physical health and well-being benefits, helps reducing air pollution, and coping with heat stress 🌑️ (an adaptation measure!).


Cycling goes hand in hand with sustainable cities and communities, and urban forms designed to facilitate cycling.


Climate resilient development is the process of implementing adaptation and mitigation measures to support sustainable development


Cycling is part of climate resilient development!


Transport demand reductions and mode shift are feasible options in strategies to reduce greenhouse gas emissions


Established cities have a potential for transformation by focusing on creating modal shift


Rapidly growing cities can include active mobility in their design


Solutions include planning cities so that multiple destinations (work, schools, services, leasures...) are accessed within a 10 mn walk or bicycle ride


Improving green infrastructure connectivity for cycling is an urban nature-based solution : people are willing to cycle longer on safe tracks and with green surroundings.


There are known barriers for cycling uptake, for instance related to habits, housing costs, and lobbying to privilege the status quo


In particular, urban development patterns designed for cars


Multiple approaches can enable cycling uptake, such as investiments in infrastructures, inclusion in local transport plans, or bike-to-work campaigns. This requires participation, discussion and debate.


Bike sharing programmes can help - in particular when management is also optimised to reduce greenhouse gas emissions.


Behavioural change in a short time and at a massive scale is possible, with adequate enabling conditions.


The time for action is now - and every choice matters
- including strategies to support πŸš²πŸ™‚ !


Thank you for your attention.

Have a nice week-end, and maybe enjoy your 🚲!


πŸ”Ήthe @IPCC_CH reports are available here (we did a systematic search with 🚲 keywords) : ipcc.ch/assessment-rep…
πŸ”Ήthe slides are available for download there : sharebox.lsce.ipsl.fr/index.php/s/mR…

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