PIANETA: rischio collisione

    Pianeta: 7 errori (grossolani) del Titanic da non fare e 7 insegnamenti Sicuramente conosci la storia del Titanic

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Defining and Calculating the Ecological Footprint

What is an Ecological Footprint? The Ecological Footprint is a metric that shows how much “Nature” we use.  In this way it

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Imagine a Green World

  Leave something for the Imagination Imagine a green world, with pristine blue oceans, pure air, abundant land and trees,

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