Now here’s a tree-planting programme that puts many other corporate “green” efforts to shame: the UK grocery retailer Sainsbury’s has announced plans to plant two million trees across the country over the next five years. “Trees are at the centre of our food chain, so if we are

Four billion trees down, three billion to go. That’s according to the United Nation’s Environment Programme, whose Billion Tree Campaign aims to plant seven billion new trees by the end of 2009. The four-billion-tree milestone was confirmed this month when the Ethiopian Ministry of Agriculture verified that 687