Navigation for Insight

Insight for Sunday 3 January 2010

TrustPower sells carbon credits from its Tararua Windfarm to a number of businessesA growing number of companies are branding themselves as carbon-neutral.

There are also schemes in to which consumers can pay money to off-set their own carbon foot-print.

But do the schemes stack up? Ian Telfer investigates.

First broadcast on 26 July

Photo:TrustPower sells carbon credits from its Tararua Windfarm to a number of businesses