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

I think about this a lot, both in IT and civil infrastructure. It looks so trivial to “fix” from the outside. In fact, it is incredibly draining to do the entirely crushing work of real policy changes internally. It’s harder than drafting a blank page of how the world should be.


I’m at a sort of career crisis point. In my job before, three people could contain the entire complexity of a nation-wide company’s IT infrastructure in their head.

Once you move above that mark, it becomes exponentially, far and away beyond anything I dreamed, more difficult.

And I look at candidates and know-everything’s who think it’s all so easy. Or, people who think we could burn it down with no losses and start over.

God I wish I lived in that world of triviality. In moments, I find myself regretting leaving that place of self-directed autonomy.

For ten years I knew I could build something and see results that same day. Now I’m adjusting to building something in my mind in one day, and it taking a year to do the due-diligence and edge cases and documentation and familiarization and roll-out.

That’s the hard work. It’s not technical. It’s not becoming a rockstar to peers.
These people look at me and just see another self-important idiot in Security who thinks they understand the system others live. Who thinks “bad” designs were made for no reason.
Who wasn’t there.
I could create an entire twitter feed of things Facebook has tried to cover up since 2015. Where do you want to start, Mark and Sheryl? https://t.co/1trgupQEH9


Ok, here. Just one of the 236 mentions of Facebook in the under read but incredibly important interim report from Parliament. ht @CommonsCMS
https://t.co/gfhHCrOLeU


Let’s do another, this one to Senate Intel. Question: “Were you or CEO Mark Zuckerberg aware of the hiring of Joseph Chancellor?"
Answer "Facebook has over 30,000 employees. Senior management does not participate in day-today hiring decisions."


Or to @CommonsCMS: Question: "When did Mark Zuckerberg know about Cambridge Analytica?"
Answer: "He did not become aware of allegations CA may not have deleted data about FB users obtained through Dr. Kogan's app until March of 2018, when
these issues were raised in the media."


If you prefer visuals, watch this short clip after @IanCLucas rightly expresses concern about a Facebook exec failing to disclose info.

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I’m torn on how to approach the idea of luck. I’m the first to admit that I am one of the luckiest people on the planet. To be born into a prosperous American family in 1960 with smart parents is to start life on third base. The odds against my very existence are astronomical.


I’ve always felt that the luckiest people I know had a talent for recognizing circumstances, not of their own making, that were conducive to a favorable outcome and their ability to quickly take advantage of them.

In other words, dumb luck was just that, it required no awareness on the person’s part, whereas “smart” luck involved awareness followed by action before the circumstances changed.

So, was I “lucky” to be born when I was—nothing I had any control over—and that I came of age just as huge databases and computers were advancing to the point where I could use those tools to write “What Works on Wall Street?” Absolutely.

Was I lucky to start my stock market investments near the peak of interest rates which allowed me to spend the majority of my adult life in a falling rate environment? Yup.