Looking for Global Warming? Check the Ocean
We tend to focus on land surface temperatures, because, well, that’s where we live. And human greenhouse gas emissions have ensured their steady rise since the start of the Industrial Revolution, punctuated by 2014 setting the record for hottest year.
http://www.climatecentral.org/news/global-warming-ocean-heat-18905
Percita (CC BY-SA 2.0)