Think before you click – and three other ways to reduce your digital carbon footprint | Koren Helbig

The invisible downside to our online lives is the data stored at giant energy-guzzling datacentres

It's been called the largest coal-powered machine on Earth" - and most of us use it countless times a day.

The internet and its associated digital industry are estimated to produce about the same emissions annually as aviation. But we barely think about pollution while snapping 16 duplicate photos of our pets, which are immediately uploaded to the cloud.