Financial Times: High quality global journalism requires investment. Please share this article with others using the link below, do not cut & paste the article. See our Ts&Cs and Copyright Policy for more detail. Email ftsales.support@ft.com to buy additional rights. http://www.ft.com/cms/s/0/37930724-917a-11e3-adde-00144feab7de.html#ixzz2sqvU6CVX Researchers have cast new light on one of the most baffling riddles in climate science: why has global warming stalled when emissions of the greenhouse gases blamed for...