Pollution sensor

Monitoring the effect of rising carbon dioxide (CO) concentrationsand climatic changes on Europe'sforests is the aim of a collaborativeproject across eight European countries and Australia. The project isjointly funded by the ForestryCommission of UK and the European Union under the Environmentand Climate Programme 1994-1998.Presently, researchers are observingthe effect of increased C02, ozoneand drought on the growth of oak,ash and Scots pine at HeadleyNursery in Hampshire, UK. They ammeasuring photosynthesis in thesaplings of these plants, which aregrown in open-top glazed chambers(Spectrutn, No 256).