Day when Niagara will dry: as experts imagine Earth future

People always tried to predict the future, and at first it was limited generally to approach of "eternal life", be in paradise or in a hell. Then, with development sciences, forecasts became more and more reasonable, and as it is possible to judge already now, even started coming true. Especially it concerns aeronautics, conquest of space and Robotics. However, generally predictors were limited to small time frames – in one - two-three eyelids. But here about ten years ago journalists of the Air Force, having interrogated experts, made the card of forecasts already on trillions years forward. Something from the predicted has to...