A survey of threatened Arctic mammals highlights melting sea ice as a prime threat to eleven keystone species, writes Tim Radford - meaning that efforts to conserve them may be doomed to failure unless we also tackle the causes of climate change.
Long after Blue whales have ceased to be hunted, their numbers have failed to record substantial increases, writes Luke Rendell. Are ship strikes to blame? A 15-year scientific study says the answer may be yes - and advises moving California shipping lanes.
The US Fisheries Service has repeatedly failed to give highly endangered Right whales adequate protection. Now wildlife groups are suing the Agency to demand a more than tenfold expansion of 'critical habitat' to protect the species along the US's Atlantic coast.
Japan's hunting of cetaceans has become a rallying point for nationalists, but demand for their meat is falling amid worries about toxic pollution. Fukushima could just prove to be the last straw for a declining industry ...
Whales, dolphins and porpoises have no respite from oil and chemicals, fishing nets, shipping, noise pollution and a host of other dangers brought about by man's unrelenting destruction of the oceans, says Anthony Wall