"If every adult in the UK sent one less “thank you” email, it could save 16,433 tonnes of carbon a year – the equivalent to taking 3,334 diesel cars off the road"

Sarah Griffiths, BBC Future, 6th March, 2020

"The internet, quite shockingly, has a higher carbon footprint than the aviation industry"

The Internet's Dirty Carbon Secret, 'Maddyness' website, March 9th, 2020