The damage to trees caused by air pollution, drought and other harmful factors has doubled

Date: 08/10/1998

over the past ten years, according to the EU's annual forestry report. By 1997, more than one quarter of Europe's conifers and broad-leaved trees were damaged and had lost more than 25&percent; of their leaves. Nearly 40&percent; of trees were defined as being in the “warning stage”, with only around 35&percent; considered healthy.