By Richard Black
Environment correspondent, BBC News, Jersey
Oil and gas exploration in the Russian Far East continues to threaten whales, delegates at the International Whaling Commission (IWC) meeting have warned.
The critically endangered western population of gray whales spends its summer feeding around Sakhalin island.
Companies using seismic guns to find oil and gas in the area do take steps to reduce the impact; but scientists with the IWC say they need to do more.
Surprising new evidence has also emerged on the whales' migration.
The western population of gray (or grey) whales is one of the most threatened group of cetaceans on the planet, with only about 130 remaining, including an estimated 26 breeding females.
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more:
http://www.bbc.co.uk/news/science-environment-14116557