Shoppers on Dublin’s Grafton street. “Instead of viewing the affluent as a problem, the novel approach of the Millennium Consumption Goals  would persuade them to contribute to the solution without having to reduce their quality of life,” Prof Mohan Munasinghe, the Sri Lankan scientist who shared the 2007 Nobel Peace Prize, told a conference in Dublin yesterday.   Photograph: Eric Luke

Establishing consumption targets to motivate the world’s rich to consume more sustainably will reduce the burden on natural resources and help (...)