Carbon trading schemes won't solve the aviation and shipping industries' problem of soaring carbon emissions, a British climate scientist says, and the cuts needed to address global climate change are so deep that both sectors must limit their growth.

Marketers have been known to make claims that test our good sense, our gullibility and our patience. But in a field in which it's often the best story -- not the best product -- that wins, some of the more unsightly details can get left out when making a pitch. Nevertheless, there is still, as Pinocchio's nose would tell you, a line between a tall tale and what's commonly referred to as a lie.

If you travel between Seattle and Portland, and you don't mind flying in a nine seat, single-engine turboprop, then you can be one of the first to say that you've taken a flight on America's first truly green airline.

With the European Union tightening restrictions on carbon emissions, danger has been spelled out in big bright letters for the sportscar-makers we know and love. The bulk of the world's best supercar manufacturers - including Ferrari, Lamborghini, Lotus, Aston Martin and Porsche - reside in Europe, but while industry executives continue to campaign for exception and protection, things don't look good. There are, however, a few solutions that could keep the exotic automakers in business and unmolested.