Would possibly there be a low-cost resolution to the air pollution considerations Gillian Tett raises in her article exploring the reactions to Tesla’s foray into bitcoin (Moral Money, FT.com, February 10)?
Based on one estimate, the bitcoin trade emits lower than 40m tonnes of carbon yearly. Neutralising this utilizing voluntary carbon credit envisaged by the UN’s local weather and finance envoy Mark Carney — a lot can be found at under $20 a tonne — may cost $800m a 12 months. That is 10 foundation factors of the capitalisation of the $800bn bitcoin asset class.
Subsequently buyers who dedicate 0.1 per cent of the worth of their bitcoins to, for instance, carbon forestry yearly ought to be capable of sleep higher at night time with their now “web zero” bitcoins.
Founder, Craigmore Sustainables
Higher Wardington, Oxfordshire, UK