Articles by Andrew Rollinson
Andrew Rollinson of Blushful Earth has an MSc in Energy and Environment, and a PhD in philosophy. He is a renewable energy specialist who has worked on small-scale renewable energy projects, and collaborated on sustainable engineering systems in many parts of the world. He is author of our book, Gasification: succeeding with small-scale systems.
Articles by
Andrew Rollinson
How we sank a well on our property
Prior to industrialisation, all villages will have once had at least one well, before commercialisation of the water supply. In many villages, wells were communal, with residents perhaps sharing the costs of having it built, and then manually looking after its upkeep.
Biochar on trial: what scientific research tells us so far
Working wonders or potentially harmful? Dr Andrew Rollinson examines the scientific research surrounding biochar to date, including his own personal experiments.
Why pyrolysis and ‘plastic to fuels’ is not a solution to the plastics problem
Energy engineer Dr Andrew Rollinson sets out the case as to why pyrolysis and ‘plastic to fuels’ is not a sustainable solution to the plastics problem.
Joy in enough: awakening to a new economics
On 18th November last year there was a one-day workshop in Sheffield called “Joy in Enough – Awakening to a New Economics”. It was delivered by Green Christian who are a multi-denominational charity that have been operating for over thirty years.
How the corporate goldrush for incineration, gasification and pyrolysis of waste generates more consumption, more waste and more pollution
‘When waste to energy companies propose to build incineration/gasification plants they stipulate that contracts be in place which lock-in local authorities to providing them with a fixed tonnage of waste over the lifetime of the plant (often about 25 years).
Stargazers of the world unite: how seeing the Milky Way in a clear, unpolluted sky can change your life
Having grown up in the industrial West Riding of Yorkshire, I was 22 when I first saw the Milky Way. It wasn’t my fault; there was too much light pollution. In places such as this, you may think that on a moonless and cloudless night you can see the stars
In praise of the elder tree, and how to make delicious elderberry wine really easily
Common Elder (Sambucus nigra) is a familiar sight on railway embankments, urban waste ground, and in hedgerows. This small tree thrives in particular in the north and midlands of England, growing rapidly when cut back and giving off a discomforting dusty smell in the process, along with also being very difficult to dig up.
Strange but true: energy efficiency actually increases overall energy use
In the 1960 film School for Scoundrels, which is based on the Stephen Potter “Gamesmanship” books, there is a scene where Ian Carmichael (formerly one of life’s failures) is playing tennis with Terry Thomas. Carmichael has just finished a course in lifemanship
The price of the average wedding is now over £20k; how to do it for much less and give the finger to ‘Brides’ magazine
Flanked by an advert for the Ocean Club honeymoon resort in the Bahamas, with young bride and groom toasting a glass of champagne, Brides – “the UK’s number 1 bridal magazine” announces to its readers that “Planning your wedding starts here”
Restoring a Victorian water wheel to generate hydro-electricity and produce local organic flour
When building works were completed on the Queen’s Mill in 1888, it became the world’s largest water powered stone grinding flour mill. The water wheel was a 20 foot diameter piece of iron and timber Victorian engineering, large for its type and with high efficiency features.
Are we ‘silenced by economic power’? Paris 2015 and the Hartwell Paper
In December 2011, South Africa welcomed the United Nations Framing Convention on Climate Change. The host city was Durban, where a number of years before, and just after his release from prison, Nelson Mandela had