Sustainable Energy - without the hot air

- how the laws of Physics constrain our sustainable energy options TEDx Warwick 2012 (18 minutes). [ Original slides are also available he...

In December 2011, DECC published the Carbon Plan and version 3 of the 2050 Pathways Calculator . As before, this open-source engineering-ba...

DECC is advertising roughly a dozen posts for engineers and scientists. Here's the advertisement for 7 grade-7 engineers and 1 grade-6...

DECC is running a public debate, using the new 2050 Calculator , at blog.decc.gov.uk . The debate was opened by eight experts (Mike Childs, ...

On Thursday 3rd March, DECC is going to be publishing version 2 of the 2050 Pathways Calculator, along with an updated version of the calcul...

In July 2009 I wrote a post about wind-powered vehicles that travel directly downwind faster than the wind , giving links to videos explain...

At the Civil Service Awards last month, the Science, Engineering and Technology Award was won by the DECC 2050 Pathways Team for their wor...

Many thanks to Katsunori Muraoka! 持続可能なエネルギー—「数値」で見るその可能性 [単行本]

I'm always looking for new ways to make physical numbers memorable. One method is to use a picture (eg nuclear waste, per person, per y...

In The BBC News Magazine, Go Figure , Michael Blastland says: "If you've somehow missed it elsewhere, the DECC 2050 energy calculat...

There's a new video on the Independent's website, made with the support of Channel 4 and Shell. It's one minute long, and, as s...

Here is a nice blog post by Blue Lyon , discussing the energy cost and money 'savings' offered by AT+T's recommendation to Turn ...

I'm delighted to report that the Department of Energy and Climate Change has published the 2050 Pathways Analysis , which illustrates si...

The recent post at realclimate about measured increases in ocean heat content has an interesting graph whose y-axis is labelled in spectacu...

I've added an alphabetical index page to the html edition of Sustainable Energy - without the hot air . I hope this helps! This index i...

I'd like to highlight a stunning photograph and an interesting paper . The image shows clouds forming in the wakes of the front row of ...

The website withouthotair.com has gone down today (5 Jan 2010) and I am not sure why... anyway, there is a backup website at www.inference...

In July 2009, I nominated two newspapers for the Hot Air Oscar for Most inaccurate numbers in a right-wing newspaper . A late submission has...

About 8 months ago, I made a short video with the help of Cambridge University, called "how many lightbulbs" [ 1 ]. This week, Cam...

Some super people have been developing ways of presenting energy numbers and engaging the public and policy-makers in consensus-building con...

One year ago, I wrote a blog titled how to boil water , which linked to a short essay, "how much is inside hot water?" . Over the...

I'm reading Challenged by Carbon: The Oil Industry and Climate Change by Bryan Lovell. Bryan Lovell is a geologist who has worked in ac...

I had a brilliant tour of the Modec electric delivery-vehicle factory in Coventry, and they let me take a one-hour test-drive in an instrum...

Oh dear... The 'green' twaddle keep on pouring out of the commercial world... Theo Markettos writes: "I'd like to nominate ...

The International Herald Tribune and New York Times published an article featuring my energy consumption versus population density diagram....

I'm happy to announce that Sustainable Energy - without the hot air is now available for the Kindle . A lot of Kindle users have been a...

When I gave my energy talk in Cambridge two weeks ago, one member of the audience objected to my figure ( page 13 ) showing per capita emiss...

There is a very nice you tube video showing all planes flying during a 24 hour period. I have extracted a frame every 5 seconds to make an ...