New Scientist: The effects of climate change are being felt almost a kilometre down in the biggest ocean on Earth. A new record of water temperatures shows how the Pacific has warmed and cooled since the last ice age. It shows that the ocean has warmed 15 times faster in the last 60 years than at any time in the previous 10,000. The fact that the heat of global warming is penetrating deep into the oceans is yet more evidence that we are dramatically warming the planet, says Yair Rosenthal of Rutgers University...