Agence France-Presse: UN climate change chief Christina Figueres may have called Paris "a beacon of hope for the world" as leaders gathered last week to begin hammering out a deal to slow global warming. But how good is the city's -- and France's -- environmental record? France leads the G20 group of industrialised countries in low-carbon energy, but experts point out that is only because of its massive reliance on nuclear power. With Paris, which is hosting the climate talks, often so choked with traffic that schools...