John Craven presents a special edition from eastern Europe on plans to transform the 'iron curtain' into a vast conservation area. The 'green curtain' will stretch from Finland to the Bosphorus and is just one of the measures being taken to heal the environmental wounds of communism. Another is a grassroots campaign to pull the plug on a huge hydro-electric scheme being built on the River Danube. Plus at 10.25 the weather for the week ahead.