Tonight we are launching our Net Zero Carbon Roadmap for Leeds, which shows a pathway for how Leeds can get to net-zero emissions by the city’s target date of 2030.

Follow the live tweets @LeedsClimateCom #LeedsClimate #PCANcities
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We're looking forward to hearing responses to the roadmap's presentation by members of the Leeds Citizens' Jury, Polly Cook of Leeds City Council, @SimonBowens of Friends of the Earth and Elizabeth Edgington of @BITC

#LeedsClimate #PCANcities
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Leeds’ carbon footprint has gone down: between 2000-2019 emissions fell by 40% (largely due to national decarbonisation of the grid).

Our share of the global carbon budget in 2020 is 31m tonnes; at ca. 4m tonnes a year, that’s used up by 2029

#LeedsClimate #PCANcities
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During lockdown #1, emissions were ca. 43% lower – overall, in 2020, they were ca 13% lower than normal. Sounds encouraging, but this only delays the point we eat up our carbon budget by 2 months!
#LeedsClimate #PCANcities
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Following science-based targets, Leeds needs to make 70% reductions by 2025 – which means another 25% reduction in emissions in the next 4-5 years.

We need to accelerate significantly!

#LeedsClimate #PCANcities
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Our report looks at Scope 1 & 2 emissions, but when you take in to account Scope 3 (net carbon from consumption and longer distance travel, inc aviation) the challenge is even greater: flights taken by Leeds residents add ca. 21% to the existing baseline.

#LeedsClimate
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How can we get to net-zero? The roadmap shows a range of cost-effective, cost-neutral and tech viable measures but this still leaves 40% gap…

#LeedsClimate #PCANcities

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Homes and transport dominate the top-ten list of cost-effective options.
#LeedsClimate #PCANcities

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Doing the cost-effective options would require £600m investment per year thru 2020s but would cut Leeds’ 2030 energy bill by ££651m a year and create getting for 15,000 years of extra employment.
This would close the gap by 41% …
#LeedsClimate #PCANcities

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Cost neutral and technically viable options get more expensive - from £900m a year up to £1.1m a year - but they would help to close the gap up to 60%.... That still leaves 40% gap to close....

#LeedsClimate #PCANcities

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To achieve Leeds' 2030 climate emergency target, we need to look at other innovative or 'stretch' measures.
That's ALOT of tree-planting, among other measures like hydrogen-based heating, electrification of domestic cooking, and more.

#LeedsClimate #PCANcities

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The 'Mind the gap' graph, showing the impact that the various options have on Leeds' carbon footprint.

You can download the roadmap here: https://t.co/koiFvBkwR6

#LeedsClimate #PCANcities

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More from Tech

The YouTube algorithm that I helped build in 2011 still recommends the flat earth theory by the *hundreds of millions*. This investigation by @RawStory shows some of the real-life consequences of this badly designed AI.


This spring at SxSW, @SusanWojcicki promised "Wikipedia snippets" on debated videos. But they didn't put them on flat earth videos, and instead @YouTube is promoting merchandising such as "NASA lies - Never Trust a Snake". 2/


A few example of flat earth videos that were promoted by YouTube #today:
https://t.co/TumQiX2tlj 3/

https://t.co/uAORIJ5BYX 4/

https://t.co/yOGZ0pLfHG 5/
A common misunderstanding about Agile and “Big Design Up Front”:

There’s nothing in the Agile Manifesto or Principles that states you should never have any idea what you’re trying to build.

You’re allowed to think about a desired outcome from the beginning.

It’s not Big Design Up Front if you do in-depth research to understand the user’s problem.

It’s not BDUF if you spend detailed time learning who needs this thing and why they need it.

It’s not BDUF if you help every team member know what success looks like.

Agile is about reducing risk.

It’s not Agile if you increase risk by starting your sprints with complete ignorance.

It’s not Agile if you don’t research.

Don’t make the mistake of shutting down critical understanding by labeling it Bg Design Up Front.

It would be a mistake to assume this research should only be done by designers and researchers.

Product management and developers also need to be out with the team, conducting the research.

Shared Understanding is the key objective


Big Design Up Front is a thing to avoid.

Defining all the functionality before coding is BDUF.

Drawing every screen and every pixel is BDUF.

Promising functionality (or delivery dates) to customers before development starts is BDUF.

These things shouldn’t happen in Agile.

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MASTER THREAD on Short Strangles.

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How to sell Strangles in weekly expiry as explained by boss himself. @Mitesh_Engr

• When to sell
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1st Live example of managing a strangle by Mitesh Sir. @Mitesh_Engr

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2nd example by @Mitesh_Engr Sir on converting a directional trade into strangles. Option Sellers can use this for consistent profit.

• Identified a reversal and sold puts

• Puts decayed a lot

• When achieved 2% profit through puts then sold