February 2011 PMID 21226525

Reducing energy demand: what are the practical limits?

Jonathan M Cullen, Julian M Allwood, Edward H Borgstein

Mentions

58
Peak: 24 in Nov 2019
across 4 sources since Nov 2019

Extended reach

518,092
potential audience

Total likes

9,654

Video views

265,319

Mentions per month

Nov 2019 – Jan 2025

Where it's discussed

  • X / Twitter42 posts
  • News12 articles
  • YouTube2 videos
  • Blogs2 articles

AI synopsis

What people are saying

The discussions reflect a strong agreement on the feasibility of reducing energy demand by up to 73% through design changes, supported by phrases like 'practically achievable' and 'could be increased,' indicating optimism about practical solutions. The tone mixes technical reference with accessibility, such as mentioning smartphones as models for energy efficiency, which helps broaden interest and perceived impact.

AgreementModerate agreement

Most discussions support the idea that significant energy savings are achievable through practical changes, emphasizing the 73% potential reduction highlighted in the article.

InterestHigh interest

Posts show high enthusiasm about energy efficiency and demand reduction, especially with references to the practical implications and innovative ideas like smartphones as models.

EngagementModerate engagement

While some comments delve into the broader implications and examples, many are brief mentions or calls to watch videos, indicating moderate engagement.

ImpactModerate impact

Users believe that these ideas could influence societal behaviors and policy, but the overall influence on action remains aspirational at this stage.

Abstract in brief

  • Concern over the global energy system is prevalent, focusing mostly on supply options instead of prioritizing demand reduction strategies.
  • This paper emphasizes the potential for significant energy demand reduction by analyzing current global energy usage and identifying opportunities for avoiding energy consumption.
  • It concludes that up to 73% of global energy use could be saved through practical design changes in passive systems, with a potential for even greater savings from improving efficiency in conversion devices.

Top posts

Most liked on X and Bluesky
MinuteEarth (also on BlueSky)
@MinuteEarth · X

The phone in your pocket (or more likely, your hand) is a model for fighting climate change. Confused? Watch our latest video: https://t.co/uw4EtSWTyk https://t.co/tmoV7b4Dle

Dec 2, 2019 · 19 likes · 2 shares · 55,402 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Nov 25, 2019 · 9 likes · 5 shares · 55,402 followers View post →
Vinay
@leashless · X

@PerkinWerbecque @michaeljswalker Halving CO2 emissions is absolutely doable slowly: https://t.co/7ssdSEaIr4 by @edthebuilder and colleagues breaks the economy down into 12 categories of energy use ("industrial furnaces", "building cooling") and calculates the possible savings, physics-first. Ballpark 50%.

Jan 12, 2025 · 2 likes · 38,474 followers View post →
khalid karim STEMKITA
@khalidkarim · X

https://t.co/PUKx2CPwqO "The result demonstrates that 73% of global energy use could be saved by practically achievable design changes to passive systems. This reduction could be increased by further efficiency improvements in conversion devices" We have to change to survive.

May 16, 2020 · 2 likes · 2 shares · 32,638 followers View post →
Charles Ikenna
@CharlesIkenna23 · X

The iPhone: A Model for Fighting Climate Change? https://t.co/pwZ60KAbEr via @YouTube

Nov 25, 2019 · 1 like · 3,226 followers View post →
FuturamaKing
@FuturamaKing · X

kinda echoing @elonmusk on service. “The best service is no service” that is, not needing a service! The iPhone: A Model for Fighting Climate Change? https://t.co/k4JuComkEk via @MinuteEarth

Nov 25, 2019 · 1 like · 1 share · 2,701 followers View post →

All mentions

Vinay
@leashless · X

@PerkinWerbecque @michaeljswalker Halving CO2 emissions is absolutely doable slowly: https://t.co/7ssdSEaIr4 by @edthebuilder and colleagues breaks the economy down into 12 categories of energy use ("industrial furnaces", "building cooling") and calculates the possible savings, physics-first. Ballpark 50%.

Jan 12, 2025 · 2 likes · 38,474 followers View post →
Yannick
@yl_oswald · X

@AndrewSudmant Also I think my points are already backed up by for example this paper 1) there are engineering limits 2) we do not fully exploit them because as a society we do not efficiently enough translate knowledge into practice https://t.co/PH4wnF3XxU https://t.co/qzCQCLjY7m

Apr 9, 2021 · 1,241 followers View post →
~Gabo
@GaboMcGamer · X

Jan 31, 2021 · 65 followers View post →
Sami El Geneidy
@samielge · X

Besides focusing on energy supplies, we also need to pay attention to energy demand mitigation. For a global perspective, check this out "Reducing Energy Demand: What Are the Practical Limits?" https://t.co/axL0XGF6ul

Jun 3, 2020 · 1 like · 1,102 followers View post →
haziq hasjuraidi
@haziqhasjuraidi · X

RT @khalidkarim: There is a lot of big money fighting to maintain status quo or for more https://t.co/KiGyf24ASx always check the facts. B…

May 17, 2020 · 1 share · 221 followers View post →
khalid karim STEMKITA
@khalidkarim · X

There is a lot of big money fighting to maintain status quo or for more https://t.co/KiGyf24ASx always check the facts. But hand in hand with renewable energy is energy efficiency mgmt.We can reduce energy consumption by up to 73%. https://t.co/PUKx2CPwqO https://t.co/rkE23tR1gB

May 17, 2020 · 1 share · 32,638 followers View post →
Shaqib Shahril
@shaqibshahril · X

RT @khalidkarim: https://t.co/PUKx2CPwqO "The result demonstrates that 73% of global energy use could be saved by practically achievable d…

May 16, 2020 · 2 shares · 4,905 followers View post →
khalid karim STEMKITA
@khalidkarim · X

https://t.co/PUKx2CPwqO "The result demonstrates that 73% of global energy use could be saved by practically achievable design changes to passive systems. This reduction could be increased by further efficiency improvements in conversion devices" We have to change to survive.

May 16, 2020 · 2 likes · 2 shares · 32,638 followers View post →
Luca Bonavita
@mindrones · X

"The result demonstrates that 73% of global energy use could be saved by practically achievable design changes to passive systems. [...] A list of the solutions required to achieve these savings is provided." #ClimateCrisis https://t.co/OIIaAj0xYC

May 16, 2020 · 861 followers View post →
Vdoodles
@VeeDoodleMee · X

Reducing Energy Demand: Environmental Science & Technology 73% of global energy use could be saved by practically achievable design changes to passive systems. https://t.co/b7xwc5RNAh Vad är i artikeln, ser bara abstract? @svtnyheter @dagensnyheter @Nyheterna @Expressen #klimat

May 16, 2020 · 24 followers View post →
Dr Imogen Casebourne
@icasebourne · X

Reducing Energy Demand: What Are the Practical Limits? | Environmental Science & Technology https://t.co/InLju7JEEn

May 15, 2020 · 953 followers View post →
Lennart Heim
@ohlennart · X

tech can be used for good - and it’s not black and white https://t.co/7foVXMKt1j https://t.co/guR1JWW5uR

Jan 1, 2020 · 7,307 followers View post →
The Demski Group
@DemskiGroup · X

What can we expect from #smartphones when it comes to energy efficiency? Find out here. https://t.co/ohUtsqXL4S https://t.co/RcnbMVjGt9

Dec 29, 2019 · 440 followers View post →
Steven Skoczen
@skoczen · X

The best thing I saw this week was a thought-provoking Minute Earth video. What if smartphones were good for the world? https://t.co/Aia1kPkvfa

Dec 4, 2019 · 211 followers View post →
Good ol' Carlos
@Carlos_alfamin · X

RT @MinuteEarth: The phone in your pocket (or more likely, your hand) is a model for fighting climate change. Confused? Watch our latest vi…

Dec 2, 2019 · 2 shares · 249 followers View post →
Julián Gustavo Gómez
@TheJulianGomez · X

RT @MinuteEarth: The phone in your pocket (or more likely, your hand) is a model for fighting climate change. Confused? Watch our latest vi…

Dec 2, 2019 · 2 shares · 1,719 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

The phone in your pocket (or more likely, your hand) is a model for fighting climate change. Confused? Watch our latest video: https://t.co/uw4EtSWTyk https://t.co/tmoV7b4Dle

Dec 2, 2019 · 19 likes · 2 shares · 55,402 followers View post →
happysparky241
@happysparky241 · X

RT @MinuteEarth: NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Dec 1, 2019 · 5 shares · 429 followers View post →
greekprocrastinator
@greekprocrastin · X

On Energy efficiency https://t.co/qR3u8uJLv1 https://t.co/u7di4c2cHZ

Dec 1, 2019 · 2 followers View post →
Osman Yozgatlıoğlu
@iosmanyo · X

Farklı düşünün.. Smartphones: A New Model for Energy Efficiency? https://t.co/XyrQgQQSlh via @YouTube

Nov 30, 2019 · 44 followers View post →
Крушев
@dkrushev · X

"Think different, not efficient" https://t.co/f6RrEnJUp6

Nov 27, 2019 · 176 followers View post →
bamfalu
@Bamfalu · X

this is a good way to approach issues : o https://t.co/CA3iSk0rE6

Nov 26, 2019 · 1 like · 153 followers View post →
Michael Kunze
@TheresNoMeaning · X

RT @MinuteEarth: NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Nov 26, 2019 · 5 shares · 6 followers View post →
Ganesha Adiguna
@gagarou · X

Smartphones: A New Model for Energy Efficiency? https://t.co/YCcjZ92bij via @YouTube

Nov 25, 2019 · 68 followers View post →
Neko
@Neko1320 · X

https://t.co/U2UjQOUDTT #Thinking #Different #Efficiency #Energy #short #Quick #Graphic #DesigningTheFuture

Nov 25, 2019 · 562 followers View post →
Alan Dail
@alandail · X

RT @FuturamaKing: kinda echoing @elonmusk on service. “The best service is no service” that is, not needing a service! The iPhone: A Model…

Nov 25, 2019 · 1 share · 1,753 followers View post →
FuturamaKing
@FuturamaKing · X

kinda echoing @elonmusk on service. “The best service is no service” that is, not needing a service! The iPhone: A Model for Fighting Climate Change? https://t.co/k4JuComkEk via @MinuteEarth

Nov 25, 2019 · 1 like · 1 share · 2,701 followers View post →
Kevin Loughlin
@KevinLMaps · X

"The most efficient car... is no car." Great stuff from @minuteearth! https://t.co/jP8WwBhWva

Nov 25, 2019 · 1 like · 181 followers View post →
Alex Reich
@alexhreich · X

RT @MinuteEarth: NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Nov 25, 2019 · 5 shares · 514 followers View post →
Dan Brubaker
@DanBrubaker7 · X

RT @MinuteEarth: NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Nov 25, 2019 · 5 shares · 295 followers View post →
Sustainmylife
@sustainmylife · X

An interesting take on design and energy saving https://t.co/dpdRwhql5n

Nov 25, 2019 · 122 followers View post →
Adam Ginourie
@Ginourie · X

The iPhone: A Model for Fighting Climate Change? https://t.co/HOobtUIlwd via @YouTube

Nov 25, 2019 · 153 followers View post →
Котомкин-Портянский
@DDERSS · X

The iPhone: A Model for Fighting Climate Change? https://t.co/inbZB73klU с помощью @YouTube

Nov 25, 2019 · 603 followers View post →
e-csce
@e_csce · X

The iPhone: A Model for Fighting Climate Change? @ https://t.co/gYlqwIdoXA https://t.co/XTHFAjomHz

Nov 25, 2019 · 118 followers View post →
bronzemanu18
@bronzemanu18 · X

Echadle un ojo a este vídeo de MinuteEarth, ¿que os parece la reflexión que hace? The iPhone: A Model for Fighting Climate Change? https://t.co/TZ0lVPfB58 via @YouTube

Nov 25, 2019 · 6,984 followers View post →
mountdiscovery
@mountdiscovery · X

The iPhone: A Model for Fighting Climate Change? via @MinuteEarth https://t.co/UY1ch3Jt1H

Nov 25, 2019 · 414 followers View post →
Devin Edman
@choochoodino · X

The iPhone: A Model for Fighting Climate Change? https://t.co/FMTi7S2XOM via @YouTube

Nov 25, 2019 · 11 followers View post →
Charles Ikenna
@CharlesIkenna23 · X

The iPhone: A Model for Fighting Climate Change? https://t.co/pwZ60KAbEr via @YouTube

Nov 25, 2019 · 1 like · 3,226 followers View post →
e-csce
@e_csce · X

The iPhone: A Model for Fighting Climate Change? Thanks to the University of Minnesota for sponsoring this video! https://t.co/l0tSsqtf9W The way smartphones made many devices nonessential is a model for a new way to think about improving energy effic… https://t.co/gYlqwIdoXA https://t.co/qbybzswt74

Nov 25, 2019 · 118 followers View post →
Albert Zweistein
@al_zweistein · X

The iPhone: A Model for Fighting Climate Change? https://t.co/XOkKn0j5tD via @YouTube

Nov 25, 2019 · 206 followers View post →
Kristian Minkov
@minkov_lmkyky · X

The iPhone: A Model for Fighting Climate Change? https://t.co/EniuKWZ7hc via @YouTube

Nov 25, 2019 · 5 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

NEW VIDEO! The iPhone: A Model for Fighting Climate Change? https://t.co/PbLWNMHBh3 https://t.co/gGHEPPMFYM

Nov 25, 2019 · 9 likes · 5 shares · 55,402 followers View post →