Alarming aspirations from latest climate report...

holwellcourtfarm

Member
Livestock Farmer
It's the hope that kills you....
That's where it would be delicious to be on a live media panel interview when an anti ruminant campaigner quoted his figures to be able to casually say "oh, you mean those obselete figures that were calculated using the old science instead of the more accurate one"....
 

delilah

Member
Andrew Loftus speaks very well and makes some excellent points about UK's role in the debate, highlighting the fact that UK beef and sheep producers are effectively cooling the planet wrt methane using GWP*. How the heck do we get the NFU to take their dark glasses off and start to quote some proper science in their discussions with the great and good and also the media?

@kfpben
 

holwellcourtfarm

Member
Livestock Farmer
I
They are still using JPs food emissions data....
It's the hope that kills you....
Dr Hannh Ritchie is the lead researcher re food systems at our world in data and the author of that Wired article. She appears very frequently on radio 4 science programmes.
I've emailed Dr Ritchie (with the same question I asked JP a couple of weeks ago) pointing out that the AR6 report (and the Levasseur report that it references) suggest careful choice of emission metric and careful communication of the resulting data.
I've asked for their perspective on re-running the P&N report with the GWP* metric, and "if not, why not."
 

holwellcourtfarm

Member
Livestock Farmer
I

I've emailed Dr Ritchie (with the same question I asked JP a couple of weeks ago) pointing out that the AR6 report (and the Levasseur report that it references) suggest careful choice of emission metric and careful communication of the resulting data.
I've asked for their perspective on re-running the P&N report with the GWP* metric, and "if not, why not."
I was thinking yesterday that I must challenge Hannah Ritchie on the Poore data still being used in our world in data for their for climate impact infographics.

It now counts as misinformation imho.
 

This is a useful paragraph:

The basic points we made were featured in Chapter 1 of the recent Intergovernmental Panel on Climate Change Special Report on 1.5 Degrees, which said "When combined using GWP*, cumulative aggregate GHG emissions are closely proportional to total GHG-induced warming[...]. This is not the case when emissions are aggregated using GWP, with discrepancies particularly pronounced when SLCF [short-lived gases] emissions are falling." That's the IPCC's way of saying "if it's warming you care about, GWP* works, and GWP doesn't."

And the matching bit in this video, from Michelle Cain herself, is from 9.54 minutes to 12.14 minutes.

If anyone needs to point to why gwp100 is no longer relevant and why the dietary climate calculators need to be re-run, there it is, right there in the latest IPCC report.
I will share with NFU and AHDB.
 

holwellcourtfarm

Member
Livestock Farmer

This is a useful paragraph:

The basic points we made were featured in Chapter 1 of the recent Intergovernmental Panel on Climate Change Special Report on 1.5 Degrees, which said "When combined using GWP*, cumulative aggregate GHG emissions are closely proportional to total GHG-induced warming[...]. This is not the case when emissions are aggregated using GWP, with discrepancies particularly pronounced when SLCF [short-lived gases] emissions are falling." That's the IPCC's way of saying "if it's warming you care about, GWP* works, and GWP doesn't."

And the matching bit in this video, from Michelle Cain herself, is from 9.54 minutes to 12.14 minutes.

If anyone needs to point to why gwp100 is no longer relevant and why the dietary climate calculators need to be re-run, there it is, right there in the latest IPCC report.
I will share with NFU and AHDB.
We need to be pushing this at every opportunity now.

The IPCC have been honest and open in the AR6 report by saying that methane wishing reductions should take place but that this will just buy time to cut fossil CO2 emissions "deeply and permanently". They also point out that fossil methane emissions can be cut relatively easily so should be a key focus. Interesting that the BBC posted yesterday that researchers have found a large mains gas methane leak near the COP26 site in Glasgow. They then quantified it as equivalent to the emissions of 500 cows :rolleyes: . It's NOT the same as it is fossil sourced methane.

So much disinformation being produced....
 

holwellcourtfarm

Member
Livestock Farmer
My only issue with that piece is q4 at the end. The UK Agriculture industry ceased causing methane related climate warming long ago when our ruminant numbers started falling.
 
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Cowabunga

Member
Location
Ceredigion,Wales
My only issue with that piece is q4 at the end. The UK Agriculture industry ceased causing methane twisted climate warming long ago when our ruminant numbers started falling.
Spot on. Exactly correct. Even if numbers remained stable, it wouldn't increase atmospheric methane one bit because it degrades as quickly as it is produced. It is not cumulative.
 

DaveGrohl

Member
Mixed Farmer
Location
Cumbria
Spot on. Exactly correct. Even if numbers remained stable, it wouldn't increase atmospheric methane one bit because it degrades as quickly as it is produced. It is not cumulative.
Yup, everyone on this thread understands the actual facts completely, but there are a lot of farmers out there who have no idea and are desparing at why their industry is being castigated at every level. As you explained on another thread we need to keep explaining relatively simple maths far and wide. Few actual climate scientists seem to understand basic maths never mind politicians and the media.
 

holwellcourtfarm

Member
Livestock Farmer
Yup, everyone on this thread understands the actual facts completely, but there are a lot of farmers out there who have no idea and are desparing at why their industry is being castigated at every level. As you explained on another thread we need to keep explaining relatively simple maths far and wide. Few actual climate scientists seem to understand basic maths never mind politicians and the media.
I'd have more respect for the anti ruminant campaigners and lobbyists if they were honest and said "we know UK ruminants aren't causing warming but they offer us a short term relief while we campaign hard for a deep cut to fossil fuel use". I wouldn't like it but it would be scientifically accurate.

Instead they are effectively saying that we must cull animals because other countries are breeding too many..
 

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