Oceans have been absorbing the world's extra heat. But there's a huge payback

By the end of March, the surface temperature of the world's oceans was above anything seen in the 40 years that satellites have been measuring it.Records were headed off the charts and, as the heat refused to fade for more than a month, the Earth marched into uncharted territory, scientists said.The temperature at the ocean's surface like on land is being pushed higher by global heating but can jump around from one year to the next as weather systems come and go.

Read at www.theguardian.com