Kansas and Iowa, rich in wind resources, can provide more electricity than other states.

If that sounds ambitious, consider that the country has installed some 50, 000 wind turbines on land over the past two decades. They now supply roughly 5 percent of the nation’s electric power, a figure that reaches double digits in particularly windy states like Kansas and Iowa.

The number of Afghans internally displaced by the 15-year conflict in their country has more than doubled since the beginning of 2013, with an average of 1, 000 people a day forced from their homes this year alone, Amnesty International said on Tuesday.