Jerry Mac Evilly
@jerrymacevilly.bsky.social
Puzzled patron of politics and policies re climate, energy, sustainable development. Campaigns Director Friends of the Earth Ireland. Shares/likes “just resting in my account”- views my own!
Reposted by Jerry Mac Evilly
New CEO of Diageo writes:
"Environmental shocks, from flooding to soil degradation to heat stress, pose direct threats to commercial viability
Recent evidence found that the share prices of companies most exposed to biodiversity risk underperformed those less exposed"
www.ft.com/content/5094...
"Environmental shocks, from flooding to soil degradation to heat stress, pose direct threats to commercial viability
Recent evidence found that the share prices of companies most exposed to biodiversity risk underperformed those less exposed"
www.ft.com/content/5094...
The food industry must face up to nature-related risk
Boardrooms need to acknowledge that without healthy soils and reliable seasons the system could face collapse
www.ft.com
December 4, 2025 at 8:12 AM
New CEO of Diageo writes:
"Environmental shocks, from flooding to soil degradation to heat stress, pose direct threats to commercial viability
Recent evidence found that the share prices of companies most exposed to biodiversity risk underperformed those less exposed"
www.ft.com/content/5094...
"Environmental shocks, from flooding to soil degradation to heat stress, pose direct threats to commercial viability
Recent evidence found that the share prices of companies most exposed to biodiversity risk underperformed those less exposed"
www.ft.com/content/5094...
Reposted by Jerry Mac Evilly
Cop30: Five things we learned from the Brazil climate summit
#Cop30
www.irishtimes.com/environment/...
#Cop30
www.irishtimes.com/environment/...
Cop30: Five things we learned from the Brazil climate summit
Money and self-interest dominate talks but individual countries can drive initiatives
www.irishtimes.com
November 24, 2025 at 7:15 AM
Cop30: Five things we learned from the Brazil climate summit
#Cop30
www.irishtimes.com/environment/...
#Cop30
www.irishtimes.com/environment/...
Reposted by Jerry Mac Evilly
Half of Cork farms inspected by Council failed water quality protection regulations
www.independent.ie/regionals/co...
www.independent.ie/regionals/co...
Half of Cork farms inspected by Council failed water quality protection regulations
Half of the farms inspected by Cork County Council under the National Agriculture Inspection Programme (NAIP) this year have failed to comply with the government’s Good Agricultural Practice (GAP) reg...
www.independent.ie
November 24, 2025 at 9:11 AM
Half of Cork farms inspected by Council failed water quality protection regulations
www.independent.ie/regionals/co...
www.independent.ie/regionals/co...
Reposted by Jerry Mac Evilly
YOUR DAILY REMINDER: Everyone in the fossil fuel industry knows and admits that building new infrastructure like pipelines *actively increases* demand for the burning of fossil fuels (and all the physical disasters that go along with that)
bofaglobalresearch.podbean.com/e/a-pipeline...
bofaglobalresearch.podbean.com/e/a-pipeline...
November 20, 2025 at 6:10 PM
YOUR DAILY REMINDER: Everyone in the fossil fuel industry knows and admits that building new infrastructure like pipelines *actively increases* demand for the burning of fossil fuels (and all the physical disasters that go along with that)
bofaglobalresearch.podbean.com/e/a-pipeline...
bofaglobalresearch.podbean.com/e/a-pipeline...
Reposted by Jerry Mac Evilly
The climate crisis is a crisis mostly of the fossil fuel industry's own making – and one they do not want to fix nor be held accountable for
The presence and involvement of oil, gas and coal lobbyists at the #COP30 UN climate summit is like tobacco lobbyists at a lung cancer summit: unacceptable
The presence and involvement of oil, gas and coal lobbyists at the #COP30 UN climate summit is like tobacco lobbyists at a lung cancer summit: unacceptable
Fossil fuel lobbyists outnumber all Cop30 delegations except Brazil, report says
One in every 25 participants at 2025 UN climate summit is a fossil fuel lobbyist, according to Kick Big Polluters Out
www.theguardian.com
November 17, 2025 at 2:57 PM
The climate crisis is a crisis mostly of the fossil fuel industry's own making – and one they do not want to fix nor be held accountable for
The presence and involvement of oil, gas and coal lobbyists at the #COP30 UN climate summit is like tobacco lobbyists at a lung cancer summit: unacceptable
The presence and involvement of oil, gas and coal lobbyists at the #COP30 UN climate summit is like tobacco lobbyists at a lung cancer summit: unacceptable
Reposted by Jerry Mac Evilly
October in Ireland.
Apples from New Zealand.
Our food system is completely broken.
We could grow these ourselves, but instead, we ship them 18,000 km.
If we can’t grow and eat what’s in season here, how can we talk about food security?
Apples from New Zealand.
Our food system is completely broken.
We could grow these ourselves, but instead, we ship them 18,000 km.
If we can’t grow and eat what’s in season here, how can we talk about food security?
October 24, 2025 at 11:24 AM
October in Ireland.
Apples from New Zealand.
Our food system is completely broken.
We could grow these ourselves, but instead, we ship them 18,000 km.
If we can’t grow and eat what’s in season here, how can we talk about food security?
Apples from New Zealand.
Our food system is completely broken.
We could grow these ourselves, but instead, we ship them 18,000 km.
If we can’t grow and eat what’s in season here, how can we talk about food security?
Reposted by Jerry Mac Evilly
🚨 Permission for Irish data centre megacomplex could send dangerous signal for Europe. Today we’re supporting a legal action taken by Friends of the Irish Environment and @foeireland.bsky.social.
October 14, 2025 at 10:18 AM
🚨 Permission for Irish data centre megacomplex could send dangerous signal for Europe. Today we’re supporting a legal action taken by Friends of the Irish Environment and @foeireland.bsky.social.
Reposted by Jerry Mac Evilly
🔥 The EU’s dependence on fossil gas is fuelling death and environmental destruction! Hear it from John Beard, founder and CEO of the Port Arthur Community Action Network in Texas. Watch John’s full video 👉 www.youtube.com/watch?v=-q9z...
#TheCostOfMethane #CutMethane #PhaseOutFossilGas
1/7 🧵👇
#TheCostOfMethane #CutMethane #PhaseOutFossilGas
1/7 🧵👇
September 23, 2025 at 10:48 AM
🔥 The EU’s dependence on fossil gas is fuelling death and environmental destruction! Hear it from John Beard, founder and CEO of the Port Arthur Community Action Network in Texas. Watch John’s full video 👉 www.youtube.com/watch?v=-q9z...
#TheCostOfMethane #CutMethane #PhaseOutFossilGas
1/7 🧵👇
#TheCostOfMethane #CutMethane #PhaseOutFossilGas
1/7 🧵👇
Reposted by Jerry Mac Evilly
can you imagine trying to convince the average skepti-dude in the year 2010 that this is what summer europe will look like in 2025
August 15, 2025 at 7:25 AM
can you imagine trying to convince the average skepti-dude in the year 2010 that this is what summer europe will look like in 2025
Reposted by Jerry Mac Evilly
I delivered the 700 page business case and cost benefit analysis for MetroLink to Michael O'Leary's office yesterday.
O'Leary said on RTÉ Radio that there’s been no cost-benefit analysis done on Metrolink which was then repeated on multiple news outlets.
O'Leary said on RTÉ Radio that there’s been no cost-benefit analysis done on Metrolink which was then repeated on multiple news outlets.
August 15, 2025 at 11:38 AM
I delivered the 700 page business case and cost benefit analysis for MetroLink to Michael O'Leary's office yesterday.
O'Leary said on RTÉ Radio that there’s been no cost-benefit analysis done on Metrolink which was then repeated on multiple news outlets.
O'Leary said on RTÉ Radio that there’s been no cost-benefit analysis done on Metrolink which was then repeated on multiple news outlets.
Reposted by Jerry Mac Evilly
Electricity rates for individuals and small businesses could rise sharply as Amazon, Google, Microsoft and other technology companies build data centers and expand into the energy business.
Big Tech’s A.I. Data Centers Are Driving Up Electricity Bills for Everyone
Electricity rates for individuals and small businesses could rise sharply as Amazon, Google, Microsoft and other technology companies build data centers and expand into the energy business.
nyti.ms
August 14, 2025 at 8:40 PM
Electricity rates for individuals and small businesses could rise sharply as Amazon, Google, Microsoft and other technology companies build data centers and expand into the energy business.
Reposted by Jerry Mac Evilly
The Irish Times view on climate policy: Government must avoid backsliding
'Climatologist Prof John Sweeney has argued that the shift, which reduces the required emissions reduction target, is not aligned with scientific recommendations'
www.irishtimes.com/opinion/edit...
'Climatologist Prof John Sweeney has argued that the shift, which reduces the required emissions reduction target, is not aligned with scientific recommendations'
www.irishtimes.com/opinion/edit...
The Irish Times view on climate policy: Government must avoid backsliding
How methane is regarded in policy terms has big implications for carbon budgets up to 2040, which must be signed off on soon.
www.irishtimes.com
August 14, 2025 at 8:27 AM
The Irish Times view on climate policy: Government must avoid backsliding
'Climatologist Prof John Sweeney has argued that the shift, which reduces the required emissions reduction target, is not aligned with scientific recommendations'
www.irishtimes.com/opinion/edit...
'Climatologist Prof John Sweeney has argued that the shift, which reduces the required emissions reduction target, is not aligned with scientific recommendations'
www.irishtimes.com/opinion/edit...
Reposted by Jerry Mac Evilly
“This approach doesn’t just weaken climate ambition, it entrenches inequality”.
www.irishtimes.com/environment/...
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www.irishtimes.com/environment/...
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Climate scientists criticise Ireland over new ‘temperature neutrality’ proposal
‘For Ireland, with outsized methane emissions, to base its long-term climate target on stabilising warming sets a dangerous precedent’
www.irishtimes.com
August 13, 2025 at 9:33 AM
“This approach doesn’t just weaken climate ambition, it entrenches inequality”.
www.irishtimes.com/environment/...
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www.irishtimes.com/environment/...
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Reposted by Jerry Mac Evilly
What if wealthy nations could lock in high methane emissions and still claim climate neutrality?
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
How one country’s potential climate backslide could block others from feeding themselves, and…
The Dangerous Allure of ‘No Additional Warming’.
medium.com
August 13, 2025 at 10:32 AM
What if wealthy nations could lock in high methane emissions and still claim climate neutrality?
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
Reposted by Jerry Mac Evilly
This is a great study on a complicated, but very important topic. I encourage all with an interest in climate, agriculture, nutrition or justice (i.e. everybody?) to engage with it...
What if wealthy nations could lock in high methane emissions and still claim climate neutrality?
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
That’s the risk with “temperature neutrality”.
Here’s the plain-English version of our new study:
medium.com/@colmduffy/h...
How one country’s potential climate backslide could block others from feeding themselves, and…
The Dangerous Allure of ‘No Additional Warming’.
medium.com
August 13, 2025 at 11:25 AM
This is a great study on a complicated, but very important topic. I encourage all with an interest in climate, agriculture, nutrition or justice (i.e. everybody?) to engage with it...
Reposted by Jerry Mac Evilly
🧵THREAD on agri-methane and ‘no additional warming’
Why is it so important to reduce methane (CH4) emissions from agriculture in the near term?
What happens when countries like #Ireland use ‘no additional warming’ to set climate targets?
PAPER: iopscience.iop.org/article/10.1...
(1/18)
Why is it so important to reduce methane (CH4) emissions from agriculture in the near term?
What happens when countries like #Ireland use ‘no additional warming’ to set climate targets?
PAPER: iopscience.iop.org/article/10.1...
(1/18)
August 12, 2025 at 9:56 AM
🧵THREAD on agri-methane and ‘no additional warming’
Why is it so important to reduce methane (CH4) emissions from agriculture in the near term?
What happens when countries like #Ireland use ‘no additional warming’ to set climate targets?
PAPER: iopscience.iop.org/article/10.1...
(1/18)
Why is it so important to reduce methane (CH4) emissions from agriculture in the near term?
What happens when countries like #Ireland use ‘no additional warming’ to set climate targets?
PAPER: iopscience.iop.org/article/10.1...
(1/18)
Reposted by Jerry Mac Evilly
Our new journal paper has hit the front pages and got wide coverage on the airwaves this morning.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
August 12, 2025 at 7:05 AM
Our new journal paper has hit the front pages and got wide coverage on the airwaves this morning.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
Reposted by Jerry Mac Evilly
I first tried to write a paper like this alone, about 5 years ago but never got it across the line (the topic was another metric - GWP* - but very similar arguments). Wonderful to have been invited to collaborate with this great team of scientists to publish this great paper.
Our new journal paper has hit the front pages and got wide coverage on the airwaves this morning.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
The paper critically assesses “temperature neutrality” as a basis for Ireland’s long-term climate target. We find it amounts to backsliding on climate ambition and locks in food system unfairness.
August 12, 2025 at 10:51 AM
I first tried to write a paper like this alone, about 5 years ago but never got it across the line (the topic was another metric - GWP* - but very similar arguments). Wonderful to have been invited to collaborate with this great team of scientists to publish this great paper.
Reposted by Jerry Mac Evilly
Duffy et al.(2025) out today:
"Looking specifically at Ireland, ∼90% of ASFP [animal-sourced food production] is exported to high-income markets, with just ∼0.3% reaching low-income countries."
➡️ Demolishing the "feed the world" claims of the 🇮🇪 agri-food industry & Teagasc.
doi.org/10.1088/1748...
"Looking specifically at Ireland, ∼90% of ASFP [animal-sourced food production] is exported to high-income markets, with just ∼0.3% reaching low-income countries."
➡️ Demolishing the "feed the world" claims of the 🇮🇪 agri-food industry & Teagasc.
doi.org/10.1088/1748...
![Figure 5. Trade Flows (USD) of Animal Sourced Food Products (ASFP) & indirect Land Use Change (iLUC) from animal feed.
From:
Duffy, Colm, Carl Doedens, Róisín Moriarty, Hannah Daly, David Styles, and Malte Meinshausen. ‘National Temperature Neutrality, Agricultural Methane and Climate Policy: Reinforcing Inequality in the Global Food System’. Environmental Research Letters 20, no. 9 (2025): 094019. https://doi.org/10.1088/1748-9326/adf12d.
– "Figure 5 challenges the assumption that ASFP [animal sourced food products] production in higher-income countries contributes meaningfully to alleviating global food insecurity."](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:6lpspwgxnxbrzgomcwnfos7u/bafkreif4qn4ahrfplb73anvo2syp57y5u5cqpxz3gfoi4ewose4n3q3xl4@jpeg)
August 12, 2025 at 12:12 PM
Duffy et al.(2025) out today:
"Looking specifically at Ireland, ∼90% of ASFP [animal-sourced food production] is exported to high-income markets, with just ∼0.3% reaching low-income countries."
➡️ Demolishing the "feed the world" claims of the 🇮🇪 agri-food industry & Teagasc.
doi.org/10.1088/1748...
"Looking specifically at Ireland, ∼90% of ASFP [animal-sourced food production] is exported to high-income markets, with just ∼0.3% reaching low-income countries."
➡️ Demolishing the "feed the world" claims of the 🇮🇪 agri-food industry & Teagasc.
doi.org/10.1088/1748...
Reposted by Jerry Mac Evilly
On the UK telling ppl to delete emails to save water: UK data centres don't actually report how much water they consume!!!
"Every five years, the EA puts out its water deficit projections, but it was difficult to do this year, the sources said, because of the growth in AI"
"Every five years, the EA puts out its water deficit projections, but it was difficult to do this year, the sources said, because of the growth in AI"
AI boom means regulator cannot predict future water shortages in England
Datacentres, which do not have to report amount of water used to cool servers, leave Environment Agency with no idea of shortfalls
www.theguardian.com
August 12, 2025 at 5:46 PM
On the UK telling ppl to delete emails to save water: UK data centres don't actually report how much water they consume!!!
"Every five years, the EA puts out its water deficit projections, but it was difficult to do this year, the sources said, because of the growth in AI"
"Every five years, the EA puts out its water deficit projections, but it was difficult to do this year, the sources said, because of the growth in AI"
Reposted by Jerry Mac Evilly
Nice FT citing Ireland, where data centre power demand has massively outpaced clean power growth - meaning increased burning of fossil fuels
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
August 10, 2025 at 7:23 PM
Nice FT citing Ireland, where data centre power demand has massively outpaced clean power growth - meaning increased burning of fossil fuels
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
Reposted by Jerry Mac Evilly
This graph illustrates nicely why @foeireland.bsky.social , @nhna.bsky.social and other groups are calling for a pause on data centre expansion.
Nice FT citing Ireland, where data centre power demand has massively outpaced clean power growth - meaning increased burning of fossil fuels
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
You can't rely on an assumption of infinite, exponential, unstoppable renewable energy to excuse data centre expansionism.
www.ft.com/content/0f61...
August 11, 2025 at 7:12 AM
This graph illustrates nicely why @foeireland.bsky.social , @nhna.bsky.social and other groups are calling for a pause on data centre expansion.
Reposted by Jerry Mac Evilly
We welcome the report from the Taoiseach’s advisory council calling for urgent action on energy affordability, energy poverty, and clean heat.
We're now calling for immediate Government action to progress NESC’s policy recommendations before the winter.
www.friendsoftheearth.ie/press/friend...
We're now calling for immediate Government action to progress NESC’s policy recommendations before the winter.
www.friendsoftheearth.ie/press/friend...
Friends of the Earth welcomes report from Taoiseach’s advisory council calling for urgent action on energy affordability, energy poverty, and clean heat
Friends of the Earth calls for immediate Government action to progress NESC’s policy recommendations before coming winter
www.friendsoftheearth.ie
August 12, 2025 at 5:03 PM
We welcome the report from the Taoiseach’s advisory council calling for urgent action on energy affordability, energy poverty, and clean heat.
We're now calling for immediate Government action to progress NESC’s policy recommendations before the winter.
www.friendsoftheearth.ie/press/friend...
We're now calling for immediate Government action to progress NESC’s policy recommendations before the winter.
www.friendsoftheearth.ie/press/friend...
Reposted by Jerry Mac Evilly
🚨New research out today🚨
We critically examine the use of 'temperature neutrality' or 'no additional warming' as a approach to setting national climate targets, particularly in relation to agricultural methane reduction.
We found that using this approach...
iopscience.iop.org/article/10.1...
We critically examine the use of 'temperature neutrality' or 'no additional warming' as a approach to setting national climate targets, particularly in relation to agricultural methane reduction.
We found that using this approach...
iopscience.iop.org/article/10.1...
August 12, 2025 at 7:16 AM
🚨New research out today🚨
We critically examine the use of 'temperature neutrality' or 'no additional warming' as a approach to setting national climate targets, particularly in relation to agricultural methane reduction.
We found that using this approach...
iopscience.iop.org/article/10.1...
We critically examine the use of 'temperature neutrality' or 'no additional warming' as a approach to setting national climate targets, particularly in relation to agricultural methane reduction.
We found that using this approach...
iopscience.iop.org/article/10.1...