Press Association: The famous Snows of Kilimanjaro that cap Africa’s highest mountain are melting so fast they could be gone within two decades, according to a study of the mountain’s ice fields that used data going back nearly a century. Scientists believe global warming rather than local weather changes is chiefly to blame for the rapid loss of ice from the Tanzanian peak. A study comparing new measurements with those taken in 2000 show that a layer of ice between six and 17 feet thick has …