Donal Hickey: We can do better on waste

It’s being proven again and again that a most effective way to train people to do something is to show how they can save money, however small the amount, by co-operating.

Irish people are among the leaders when it comes to not using plastic shopping bags, hitting a rate of 90%. And the British are following our example. Sales of plastic bags in England’s biggest supermarkets have also fallen by 90% since a 5p charge was introduced, in 2015, according to UK government figures.