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Satellites Come of Age

Today an armada of satellites is used to monitor such things as oceans, ozone, dust, fires, wind, vegetation, snow and ice cover, rainfall, air pollution, clouds and hurricanes, ocean temperature, 3-D location, urban growth, deforestation, floods, and even earthquakes.

All these views and all these ways of seeing the Earth have come not a moment too soon. As the human population continues to explode, scientists and governments need to understand how the planet works as a whole, and how events all over the planet are linked. And satellites are a sure way to see that truly big picture.

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