Badly performing heat pumps?
John Cantor from HeatPumps.co.uk asks the question: Are some heat pumps performing as badly as various recent stories have been reporting?
low-impact-energy
Big Solar Co-op: solar as a hedge against energy price rises
We’ve blogged before about the great work the Big Solar Co-op are doing, bringing solar into communities. Here Jon Halle explores the potential for solar to provide some protection against energy price rises for small businesses and community-based organisations.
Heating old buildings with heat pumps
It looks as though heat pumps are going to provide a lot more of our heating in the future – although there has been some controversy about how well they work in old buildings. Heat pump specialist John Cantor answers some of those concerns.
Stop greenwashing of aviation: 3. hydrogen flight
Over five weeks we’re publishing a range of Stay Grounded factsheets about various kinds of techno-greenwashing provided by the aviation industry. Here we look at the promise of hydrogen-powered flight.
Stop greenwashing of aviation: 1. efficiency improvements
Over the next five weeks we’ll be publishing a range of Stay Grounded factsheets about various kinds of techno-greenwashing provided by the aviation industry. We’d like to help expose the greenwashing of the aviation industry. First up – efficiency improvements: the lie that aviation can become carbon-neutral via ever-greater aircraft efficiency, reducing the need for …
Repairing an off-grid wind and solar electrical system
We recently blogged about a project: ‘rebuilding a home, and changing the surrounding fields from dead agricultural land into an oasis of natural life’ – as well as building an off-grid electrical and heating system. Here’s the next in the series – about repairing an off-grid wind and solar electrical system.
Can burning biomass be sustainable?
“Burning biomass is just another path to environmental destruction,” claims a recent article in The Ecologist. Really? Simon Fairlie, who has blithely been burning biomass for the last 50 years, investigates.
£3.3 trillion fossil fuels subsidies by G20 countries since Paris Climate Agreement
All governments, including the UK, are telling us that they’re laser-focused on reducing carbon emissions. How are they doing? The chart above shows how they’re doing (source: Our World in Data). There’s a tiny flatline around 2020, but that’s because of the Covid lockdowns.