The windswept fields and gusty greens of Ireland’s County Mayo are perfect places for a kite or a glider, or, in the case of energy partners E.ON and Ampyx Power, a large flying wing tethered to a drum, which will drive an experimental, portable power-generating turbine.

Hundreds of low-intensity earthquakes near the surface of a northern coastal region of the Netherlands have prompted the government to consider scaling back gas extraction, likely by several billion cubic meters a year.