Walk into a supermarket and, depending on which country you're in, you can read a label that tells you how fat a product will make you, and how much of that fat is transfat that will kill you even sooner.
That is pretty important from a public health perspective, but what about environmental health? With the US government finally admitting that carbon emissions are affecting the planet's climate, the debate over carbon labelling is heating up (no pun intended).
More than one organisation has latched on to this idea. The UK's Carbon Trust piloted its carbon-labelling programme across the UK this year. Walker's Snacks has signed up to the scheme, as has Innocent Drinks, while Tesco is also labelling some products with the Trust's mark.
Carbon Label California is similarly piloting a labelling scheme on the other side of the pond. The organisation is working with the California Air Resources Board to try and get a voluntary carbon label in place. Co-founder Matthew Newman believes that it could work in concert with a cap and trade initiative, such as the one proposed by Senators Joe Lieberman and John Warner.
"It's also the kind of policy that has the potential to impact international actors, which is something that cap and trade can't do," Newman says. Analysing a product's whole supply chain would stop companies offshoring the dirty part of their operation to countries like China, where domestic environmental regulations would not apply.



