Yann Arthus-Bertrand calls himself an ‘activist’.
The latest scare of an asteroid impact may have fizzled out, but the world is not really prepared for a big collision.
More than 200 dead satellites litter the orbit and within 10 years that number could increase five-fold
Oceans occupies 70 per cent of the Earth’s surface.
Water is the essence of life. It gives meaning to everything else.
Researchers could soon understand how the Earth formed, by using a scientific model developed from the mathematics of steelmaking.
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