Microplastics have been discovered in snow and stream water close to the summit of Mount Everest, scientists have revealed.
The polyester, acrylic, nylon and polypropylene fibres were present in samples collected on the mountain and on the valley below.
Some were present in samples from the Balcony of Mount Everest which is 8,440 metres above sea level – representing the highest recorded microplastics ever found on Earth.
Scientists say the materials found are increasingly being used to make high performance outdoor clothing commonly used by climbers, as well as the tents and climbing ropes used in attempt to scale the mountain.
As a result, they suggest the fibres could have fragmented from larger items during expeditions to reach the summit.
But it is also possible the plastics … Read the rest...