Trees can also worship gene pollution

london - That trees can play an important role in the prevention of air pollution, is known. A health institution of the British government, however, warns that trees can also have the opposite effect. If they are put in the wrong places in cities, pollution can linger right in the streets.

'Leaves and branches slow air flow, causing pollutants linger,' The Guardian quoted Thursday a new national guidelines for local authorities which will soon be issued. Trees keep particulates against and purify the air, but on the other hand can also exhaust hanging below remain.

Municipalities should certainly not take the advice to cut down a call tree. They should note, however, be aware that trees should be put down in the right places and require maintenance.

As in other European countries, air pollution leads Britain to many health problems. According to the newspaper die annually 40 000 Britons from the effects of polluted air.