Flying robots patrolled the skies while land-based vehicles with minds of their own trundled along on the ground below and these drones could soon be an indispensable component of our lives. Building skyscrapers using 3D printing technology; transporting cargo across town; crop spraying; or helping find people trapped in buildings.
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The energy choices we make will have huge consequences for our health, our climate… When we build power plants in areas with limited water resources, they threaten the quality and availability of freshwater for other essential needs.