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The Leeds CRAG calculator
Thread started on 7/4/2007 11:24

Bill Phelps

footprinting

Matt Carmichael emailed me his amendments to Nigel’s comments on our calculator at http://www.leedstidal.org/sccleeds/calculator.html so I’ve posted it under “files”.

Hi folks
These are all the email addresses I have. There’s probably a way to send to everyone via the CRAG site, but I haven’t worked it out if there is…
Here’s my comments on the calculator. Sorry I can’t make it to next Saturday’s meeting, but maybe this evolving doc will give you some talking points/decisions to make. Is someone going to make sure everyone has a copy?
cheers
Matt

My own thoughts are these…

The original idea of the web-based version was to provide a comparatively quick and easy way of working out where we were each starting from. It also acts as a bit of a promotion tool: would-be members can get some instant results and a taste of what’s involved in CRAGging.

If we make it a lot more complicated, it’ll look more daunting, because who really likes filling in forms on a website?

Another very practical issue is that neither my skills nor the existing webhost will cope easily with sending off the data automatically to the accountant (Nigel): and as for updating a database, forget it! Sorry – way beyond me :(

So… I can make a few simple modifications to the web calculator (including sources for our figures) – but I suggest we stick to using an Excel spreadsheet for the official ongoing data and calculations, because that’s going to be a lot easier to adjust and it doesn’t matter quite so much if it looks complicated because only the committed will see it!

Bill

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Aviation figures on the Leeds calculator

written on 12/4/2007 17:17

Bill Phelps

With regard to the aviation figures, I took the figure of 0.51kg/km from the CRAG spreadsheet, which simplifies everything as a short-haul (=worst case) flight. I could fairly easily add in a long-haul figure as well (0.32kg/km?). There’s a good discussion of the topic elsewhere on this site. And if you dig around, you’ll probably discover where some of the other figures came from.

It’s clearly a complicated and controversial topic.

There’s a lot to be said for adopting the figures that other CRAGS are using, where possible. (Although I think our 50% decision on green electricity was a good one.)

—————————————————
Bill Phelps :: Stop Climate Chaos (Leeds)

 
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Keeping a database

written on 13/4/2007 11:50

despina

despina

I agree with Bill, but I’d like to add that I think we need to keep an updated database, so we can easily quantify and graphically demonstrate the overall impact of this group – overall reductions, reductions of highest/lowest emitters, reductions in different types of emissions etc. I can easily do that if everyone fills in their own Excel datasheet – but of course i’d prefer if someone else could take it on, spread the responsibility! :)

Despina

 
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