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Articles: energy efficiency (17)

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An Energy Diet for a Healthy Planet - Part II

Now one might think with all these heat losses that going all-electric isn't a good idea until all our electricity is produced by hydro and renewables. One would be wrong.

Fruit Walls: Urban Farming in the 1600s

From the sixteenth to the twentieth century, urban farmers grew Mediterranean fruits and vegetables as far north as England and the Netherlands, using only renewable energy.

Keeping warm with minimal heating: small-scale solutions

I discuss some of the ways you can add the equivalent of an extra layer of clothes to your residence.

Oops! Low oil prices are related to a debt bubble

Why is the price of oil so low now? In fact, why are all commodity prices so low?

Why We Need a Speed Limit for the Internet

We need a speed limit for the internet.  

Restoring the Old Way of Warming: Heating People, not Place

It would make a lot of sense to restore this old way of warming, especially since modern technology has made it so much more practical, safe and efficient.

The Revenge of the Circulating Fan

Cooling people by increasing local airflow is at least ten times more energy efficient than refrigerating the air in a given space, and it also adds the benefit of a personally controlled thermal environment.

Well-Tended Fires Outperform Modern Cooking Stoves

Despite technological advancements since the Industrial Revolution, cooking remains a spectacularly inefficient process.

How Increased Labour Efficiency Drives Resource Consumption

“It is a confusion of ideas to suppose that the economical use of fuel is equivalent to diminished consumption. The very contrary is the truth….no one must suppose that coal thus saved is spared-it is only saved from one use to be employed in others”.

How Sustainable is Digital Fabrication?

Digital fabrication is praised as the future of manufacturing. While CNC machines have been embraced by many...it's important to consider the very high energy use of digital machine tools.

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