Over lunch yesterday Peter Franklin was urging me to observe tonight's Earth Hour and turn off the lights for sixty minutes for the sake of the planet.
Fortunately I'm celebrating Robert Halfon's 40th birthday tonight and all lights will be blazing for the party.
Boris has promised to observe Earth Hour - but Andrew Bolt has already observed that enthusiasm for this stunt has dimmed in Australia and New Zeland since last year.
An alternative to Earth Hour is the Competitive Enterprise Institute's Human Achievement Hour. Rather than embarrassment at humankind's progress, CEI urges us to celebrate how far we have come...
(That voice is that of CentreRight newbie Iain Murray).