A couple of colleagues have circulated links to websites offering the opportunity to offset the CO2 created by my energy consumption in return for monetary payment.
Thanks for the links, but all of these people are asking for money and offering little but vague assertions in return. This is not intended to deny the good intentions of either the Native Power people linked to by Al Gore or of the IRES folks and their friends at WestJet, or I guess of any other chap who puts up a website and offers a $60 absolution for the CO2 I spewed on my flight to India last year. But none of these sites offer convincing proof that my $60 payment will somehow suck back all that CO2. So how can I tell that what salves my conscience will indeed undo the effects of my sin?
This business of buying remission reminded me of the mediaeval practice of selling indulgences and a quick Google search confirmed that I was not the first to make that connection: