Discover and read the best of Twitter Threads about #UFGC19

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THREAD (of my presentation at #UFGC19)

Where have we been the last 150 years?

Putting CO₂ into the atmosphere, first from land-use change, then coal, oil, & then gas. This has increased CO₂ in the atmosphere, led to a ~1°C temperature increase, & various climate impacts.

It is unlikely that the ~1°C warming can be reversed, & the Paris Agreement is about limiting future warming & impacts.

A strong interpretation of Paris, below 1.5°C, requires cutting CO₂ in half by 2030, hitting zero ~2050, & negative thereafter. Exceedingly ambitious.

Bonus slide:

CO₂ removal has to start today, to reach the scales necessary to stay below 1.5°C. There are legitimate concerns about large-scale CO₂ removal, & less CO₂ removal requires more rapid short-term reductions & less non-CO₂ emissions.

Read 12 tweets
#Oslo is ALMOST banning cars from its city centre, replacing parking spaces with flower beds, & building 60km of bike-lanes. All to create an almost car-free city centre by this year. Via @wef

Glad to be back working & speaking in #Oslo this week. #UFGC19
The best recent waterfront development in the world? Definitely top 3.

- 1/2 housing, 1/2 job space, lots of retail.
- half of housing 3+ bedrooms, lots of kids
- outstanding public realm design.
- diverse, interesting architecture.

Aker Brygge/Tjuvholmen communities in #Oslo.
Few things I enjoy more than deep conversations (over drinks) on urgent city-building challenges with smart urbanists (who are also friends). Great catching up with @JasonThorne_RPP & @MikeLydon tonight in #Oslo during @UrbanFutureConf #UFGC19 Europe’s biggest urbanism gathering.
Read 8 tweets

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