[arista]

[Richard Lim, chief executive of
Retail Economics, said that
Asda was another retailer reacting to
"heightened consumer concerns about the environment".
He said: "It's a step in the right direction
but we are at an embryonic stage in what is likely
to be a very long journey. It will be a
huge learning curve and one that tests
the gap between what consumers
say they 'want' and what they 'do' in reality."]