Sustainable Energy - without the hot air
SKU: 50075494297

Sustainable Energy - without the hot air

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Sustainable Energy - without the hot airBy: David JC MacKay Series: without the hot air The enlightening, best selling book on understanding sustainable energy and how we can make energy plans that add up. If you've ever wondered how much energy we use, and where it comes from and where it could come from but are fed up with all the hot air and 'greenwash', this is the book for you. Renewable resources are 'huge', but our energy consumption is also 'huge'. To compare 'huge' things with each

By: David JC MacKay   | Series: without the hot air 

The enlightening, best-selling book on understanding sustainable energy and how we can make energy plans that add up.

If you've ever wondered how much energy we use, and where it comes from – and where it could come from – but are fed up with all the hot air and 'greenwash', this is the book for you. Renewable resources are 'huge', but our energy consumption is also 'huge'. To compare 'huge' things with each other, we need numbers, not adjectives.

Sustainable Energy – without the hot air addresses the energy crisis objectively, cutting through all the contradictory statements from the media, government, and lobbies of all sides. It gives you the numbers and the facts you need, in bite-sized chunks, so you can understand the issues yourself and organises a plan for change on both a personal level and an international scale – for Europe, the United States, and the world. In case study format, this informative book also answers questions surrounding nuclear energy, the potential of sustainable fossil fuels, and the possibilities of sharing renewable power with foreign countries.

Written by David MacKay, who was an esteemed Professor of Engineering at the University of Cambridge and Chief Scientific Advisor to the UK Department of Climate Change, this is an uplifting, jargon-free and informative read for all. In it, David debunks misinformation and clearly explains the calculations of expenditure per person to encourage people to make individual changes that will benefit the world at large.

If you've thrown your hands up in despair thinking no solution is possible, then read this book - it's an honest, realistic, and humorous discussion of all our energy options.

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SKU: 50075494297

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4.4 ★★★★★
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Raquel
Pawtucket, US
★★★★★ 5
My dog loves it!
Style: Ball, Size: Medium (Pack of 1)
This crunch ball was a Christmas gift for my 65lbs fur baby. It’s now mid April and he still loves it. He loves running after it and chomping down on it. It is still in good shape despite all the chomping it’s gotta . I highly recommend. He goes back to this toy agin and again! Great buy.
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Reviewed in the United States on April 15, 2026
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HalfTrac
Charlottesville, US
★★★★★ 5
Our first babies favorite and longest lasting ball yet and he is fixing to be 7.
Style: Ball, Size: Medium (Pack of 2), Style: Ball, Size: Medium (Pack of 2)
Toughest ball we have found yet. Our doberman loves Chuckit! Balls especially the crunch one. He spreads all the balls and toys we have bought but these lasted the longest. The crunch and the glow in the dark are usually his pick but he has several different choices.
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Reviewed in the United States on May 24, 2026
T
Verified Purchase
Tim Raven
Waukegan, US
★★★★★ 5
Perfect for my dog!
Style: Flying Glow Squirrel
My dog loves it! It hovers in flight, making it easy to catch, and it’s easy for her to pick up since it’s not flat like a regular disc. It even went thru the washing machine without damage, but I let it air dry so the dryer wouldn’t tear it up. Will buy again!
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Reviewed in the United States on May 12, 2026
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KMarler
Port Orchard, US
★★★★★ 5
So much fun
Style: Flying Glow Squirrel
My shepherd loves this thing. He is a true fiend for a frisbee or ball and this is his new favorite toy. He will carry it around just to do so, and that’s a new thing for him. It’s soft which is good for my poor hands, yet it’s durable and stands up to the tests he throws at it. It flies well and hasn’t warped no matter what it’s hit. No tears through any of the chewing yet either. Good size toy that gives hours and hours of fun for the most playful and silly doggos out there!
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Reviewed in the United States on March 7, 2026
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Verified Purchase
flash
Boise, US
★★★★★ 5
Beloved dog toy now in glow in the dark canvas.
Style: Flying Glow Squirrel
This is a great frisbie style product with the advantage of glow in the dark visibility. My German Shepherd has been retrieving the original Chuckits for 5 years. They fly through the air and have the advantage of curved design which allows a dog to slide their mouth under it easily when it is on the ground. Awesome dog toy that my dog never tires of. Heavy duty canvas design for durability and washability when it gets muddy.
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Reviewed in the United States on April 2, 2026

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