By Tim Radford
Global warming’s effects are being felt even below the Earth’s surface, as researchers find that temperatures are rising not only in oceans, but also in subterranean freshwater sources.
LONDON, 25 November, 2014 − Two great bodies of water have begun to feel the heat. European scientists report that they have evidence that the planet’s groundwater – the subterranean ocean of freshwater that bubbles into wells, freshens desert springs, scours great underground limestone caverns and makes possible the irrigation of crops in the world’s farmlands – may be responding to climate change.
And out on the open sea, average global surface temperatures in the northern summer of 2014 were the highest ever recorded. >>
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