From Roy Harrison
It is simply undeniable that the greenhouse effect exists and causes the planet to warm. A calculation as far back as 1937 concluded that doubling the CO2 content of the atmosphere would raise global temperatures by 2 °C – a result that still stands.
We may have to wait a few years for an obvious natural indicator… £1,000,000 sea-front properties being demolished by the ocean should make good television.
Verwood, Dorset, England
