Kessler syndrome : when there are enough junks in orbital space, a collision between two junks create millions of more junks. Which then collides again with other junks and a chain reaction ensues. Cutting off human's access to space.
Journalists are now coming up with the reality of India's test.
"India's anti-satellite missile test just moved humanity closer to a space-junk nightmare scenario"
https://www.businessinsider.com/india-missile-shoots-down-satellite-space-debris-junk-risk-2019-3?utm_content=buffer71ae5&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer-ti&fbclid=IwAR3I6fvqeXBOCzfE5KqlerjTuYXh3vYfKlS4gswOYIgBH1vrJw9g1Etv2oE