reports on the french capital of paris, which has decided to ban cars from the city centre on the first sunday of each month. cars will be barred from the ist, 2nd, 3rd and 4th arrondissements beginning this weekend. paris, which already holds an annual car—free day, is the most polluted city in western europe. who knew? with me is lawrence gosling, who's editor—in—chief of what investment. this time yesterday, we were live to south korea, that because they held the intercontinental permit the climate change. it is extremely worrying and damning report that came out. unless we make serious changes to our lifestyle, our behaviour, government policy, all of the above, we are looking at a catastrophe. extraordinary, really. this picture is not easy to see. dead fish from a motorway in florida in august, demonstrating that this