Heat pump uses a loudspeaker and wet strips of paper to cool air
A prototype heat pump that uses...
Emissions from mining a single bitcoin have increased 126-fold
Between 2016 and 2021, the carbon...
How to make sustainable batteries that won’t wreck the planet
The batteries we need to power...
New ways to suck up methane can buy us vital time in the climate fight
Remove a billion tonnes of methane...
Artificial leaves: Bionic photosynthesis as good as the real thing
Converting sunlight into liquid fuel through...
New plastic made from DNA is biodegradable and easy to recycle
A plastic made from DNA and...