Scientists Plans To Use Laser To Map The Entire Earth Before It Is Ruined By Climate Change

Climate change is quickly and more severely affecting a huge part of the Earth. This is worrisome and according to some scientists, the quicker the Earth changes, the less time there is to learn from its past and understand its mysteries.

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“The climate crisis threatens to destroy our cultural and ecological patrimony within decades,” Fisher said earlier this year in a TEDx talk. “How can we document everything before it’s too late?”

One of the proposed way to preserve the record of our planet’s present state is to use lasers in creating a high-resolution, 3D map of the entire world.

In 2018, archaeologists bathed part of a Guatemalan forest in laser beams to reveal the profile of a hidden, ancient metropolis. Now, researchers at a nonprofit called The Earth Archive would like to use this method again to map the entire land area of the Earth.

The answer, Fisher said, is light detection and ranging, or lidar — a method of remote scanning that uses aircraft to shower a landscape with a dense net of laser beams. From this bombardment of light, researchers can create high-resolution, 3D maps of a given area and then digitally edit out foliage and other features that might be concealing hard-to-spot secrets near Earth’s surface. 

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Image Credit: Luke Auld-Thomas and Marcello Canuto

Source: neatorama

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