Salt Lake City, Utah-According to NASA, there are more than 27,000 pieces of space debris orbiting the Earth.

The space agency stated that junk flying at speeds of up to 17,500 miles per hour is enough to damage satellites or spacecraft.

Therefore, Professor Jake Abbott of the Univers

Arnd Drossel is one of many people who went to the summit to try to raise awareness of the climate crisis

Last modified on Friday, October 29, 2021 01.54 EDT

Arnd Drossel has been rolling in a 160 kg steel ball for the past three months.

The German environmental activist left hi