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Should you bother turning your LED lights off?
In a word, yes, and it's not just about the electricity consumption.
19 hrs ago
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Lloyd Alter
28
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Tomatoes are an object lesson in why we should eat local AND seasonal
Hothouse tomatoes have a big environmental footprint.
Jan 9
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Lloyd Alter
25
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New study questions the ‘conventional wisdom’ that taller buildings are worse for the environment
And unless I am missing something, it confirms that the conventional wisdom is right, but also that bad design is worse than good design.
Jan 7
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Lloyd Alter
26
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When clothing was the predominant insulation
From the archives: a look at how "improving clothing insulation is obviously the cheapest, easiest and fastest way” to reduce energy consumption and…
Jan 5
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Lloyd Alter
38
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In the age of heat pumps, are "fabric first" retrofits a thermal bridge too far?
My question for 2026: How do we minimize upfront carbon and operating emissions while improving health and comfort with the least stuff for the most…
Jan 2
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Lloyd Alter
44
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Chochikukyo is a "happy coexistence of East and West"
It looks like a traditional Japanese house, but is full of modern Western features.
Dec 31, 2025
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Lloyd Alter
26
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What I learned from my top ten posts of 2025
This site is called "carbon upfront," but none of my most popular posts have anything to do with the subject. Also: a look at my plans for 2026.
Dec 29, 2025
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Lloyd Alter
57
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The Frankfurt Kitchen comes alive in a silent movie
A find from the Living Modernity exhibition is worth watching today.
Dec 26, 2025
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Lloyd Alter
13
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Carbon Upfront!
Available from New Society Publishers, looking at the upfront carbon in everything.
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