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John Poppelaars

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Doing the Math for a sustainable future

Rotterdam
Joined March 2010
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@ORatWork
John Poppelaars
2 years
Very insightful data driven post from @_HannahRitchie on the efficiency of heat pumps, even in the cold #energytransition
sustainabilitybynumbers.com
Efficiency declines with falling temperatures, but they still perform well in colder climates.
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@TheEconomist
The Economist
2 years
Beef emits 31 times more CO₂ per calorie of food than tofu does. By cooking so many cows, humans are cooking themselves, too. Forgoing steaks may be one of the most efficient ways to reduce our carbon footprint https://t.co/2jMrQsWyEQ 👇
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economist.com
Cattle are a surprisingly large producer of greenhouse gases
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@ORatWork
John Poppelaars
2 years
The Cruel Fantasies of Well-Fed People by @GeorgeMonbiot. Very insightful long read on the need for high intensity farming. The alternative can’t feed billions and would cause greater amounts of deforestation and habitat loss. #sustainability
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@ORatWork
John Poppelaars
2 years
Advanced computer modeling techniques in NASA's Global Modeling and Assimilation Office allow us to disentangle the influences of sources and sinks and to better understand where carbon is coming from and going to
svs.gsfc.nasa.gov
Carbon dioxide (CO2) is the most prevalent greenhouse gas driving global climate change. However, its increase in the atmosphere would be even more rapid without land and ocean carbon sinks, which...
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@ORatWork
John Poppelaars
2 years
While the profit motive is well-nigh universal for corporates, the challenges posed by the circular economy are anything but. https://t.co/6slsJ2Nozn via @INSEADKnowledge
knowledge.insead.edu
The key to achieving zero-waste is a systems approach where all stakeholders – including academics – work together to the same ends.
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John Poppelaars
3 years
‘Vooruitkijken in onzekere tijden’ – André Vriens https://t.co/Eh87rvvL0g #pioniersinduurzaamheid
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doingthemath.nl
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John Poppelaars
3 years
‘Als het tempo omhoog moet, moeten er wel politieke keuzes worden gemaakt’ – Danny Benima https://t.co/PvAL1WH0je #pioniersinduurzaamheid
doingthemath.nl
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@ORatWork
John Poppelaars
3 years
‘Je moet verder vooruitkijken, en daar horen consequenties en keuzes bij’ – André Meijer https://t.co/NiigljqgOr #pioniersinduurzaamheid
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doingthemath.nl
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@ORatWork
John Poppelaars
3 years
'Wat wij nu als afval zien, worden de grondstoffen van de toekomst’ – Ieke le Blanc https://t.co/oZhQlz8HgB
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doingthemath.nl
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@ORatWork
John Poppelaars
3 years
'Er gaat veel aandacht naar de flow of goods, maar eigenlijk is de flow of information het belangrijkst’ – Frans Pannekoek https://t.co/uatK48ho17 #pioniersinduurzaamheid
doingthemath.nl
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John Poppelaars
3 years
‘Toon nú de moed om een plan te maken’ – ⁦@jeroensmitenzo⁩ – Doing the Math #duurzaamheid
doingthemath.nl
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@ORatWork
John Poppelaars
3 years
It was really great to talk with all the pioneers in #sustainability, big thank you to you all for sharing your thoughts and insights
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@ORatWork
John Poppelaars
3 years
It doesn’t take much to make machine-learning algorithms go awry https://t.co/lgRSO2vF0l from @TheEconomist
economist.com
The rise of large-language models could make the problem worse
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@ORatWork
John Poppelaars
3 years
Gordon Moore’s law was the spur that drove the digital revolution https://t.co/nYveVTXK2z via ⁦@TheEconomist
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economist.com
The physical chemist who co-founded Intel died on March 24th, aged 94
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