Reuters: A coalition of environmental and Alaska Native groups Monday filed a lawsuit seeking to block the oil industry from conducting seismic tests the groups say will harm whales, walruses and other marine mammals in the Beaufort and Chukchi seas. The lawsuit, filed in US District Court in Anchorage, targets permits issued to Shell and BP by the US Minerals Management Service and the National Marine Fisheries Service. Shell holds permits to survey areas of the Arctic Ocean for …