MOSCOW (AFP) -- Greenpeace said Wednesday that Russia had denied its ship access to Russian Arctic waters to hide the extent of its lucrative energy exploration work in the fragile ecosystem. The global environmental lobby group said its Arctic Sunrise icebreaker intended to enter the Northern Sea Route to protest at work being conducted jointly by Russia's Rosneft energy giant and its US partner ExxonMobil. Arctic Sunrise confronted the Rosneft-contracted Akademik Lazarev last week near the Barents Sea as the Russian vessel was performing powerful seismic sounding tests. The environmental watchdog said Russian authorities had refused it permission to enter...