One major unsettled issue in climate science indeed is what this sensitivity is, and several threads of information, including the surface temperature history, and water vapor and cloud data argue Lindzen may be correct.

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At times it is as though they are playing games, hovering in the distance, then beside your ear for a moment, then gone again, evaporating like the water that nourishes this cloud forest and the town at its edge.

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An ingenious new laser called Waterlase adds to that the ability to cut through dry teeth and bone by casting a cloud of hot water vapor around the laser's cutting point, a couple of millimeters from the tooth.

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In other words, cloud seeding is designed to produce and store water from moisture-dense clouds in preparation for a drought but not necessarily to end one.

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It consists of condensed water droplets and is associated with a column of air that rotates as it is drawn into the cloud.

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