Categories
Transport Economy

All the electric vehicles

In the USA, the UK and the countries of western Europe, about 80% of adults own a car. These must all become electric vehicles in short order if the world is to avoid catastrophic climate change – the figures below show why. After 3 or 4 generations in everyday life, the car is now embedded […]

Categories
Economy Energy

The Humble Flywheel – Energy Storage part 2

The flywheel, feature of every Industrial Revolution museum, could save the electricity grid with its energy storage capabilities. If you’re not an engineer (which I’m not), then you too might have got confused by the recent headlines saying that the humble flywheel is actually an ingenious green invention, a “huge step forward” in running the […]

Categories
Carbon Capture Economy

Heavy Industry CO2 Emissions

BBC Futures ran an article on carbon capture from aluminium smelting in Iceland. Heavy industry CO2 emissions make for a heavy carbon footprint and it’s not just from burning fossil fuels: there are massive CO2 emissions from cement production, steel and aluminium smelting and the chemicals sector. I spoke to an engineer who worked in […]

Categories
Personal Carbon Trading Economy Trees

How to Reduce a whole City’s Carbon Footprint by 25%

In 2017 the Finnish city of Lahti declared they would become carbon-neutral by 2025. Now they must get each citizen to reduce their annual carbon footprint to 1.8 tonnes. While there are a few important omissions from their carbon footprint data e.g. flights, Lahti has quietly forged ahead in recent years weaving a kind of […]

Categories
Economy

COVID-19-driven Green New Deal

There are two big “Green New Deals” on the table: the US Democrats want one and are planning to bring it in next year, assuming they can win the November election and there’s the European Green New Deal, championed by Ursula von der Leyen, the new president of the European Commission. The BBC ran an […]

Categories
Energy Climate Denial Economy

The Energy Storage Issue

Houston we have a problem. It turns out that all those climate deniers who didn’t want us to invest in renewable energy were right – you can’t make electricity when the wind’s not blowing or the sun’s not shining. Actually the problem at the moment is the other way around. This sunny, windy weekend outside […]

Categories
Economy

Clear Blue Skies in Lockdown

The last time so few planes were in the air was in the 3 days following the 9/11 attacks. Air traffic over London now is non-existent, with lockdown to combat the spread of the corona virus keeping us at home. As well as clear skies without a contrail in sight, there’s also lots less noise […]