The Evesrest, the highest garbage dumpert site in the world

Decades after Edmund Hillary and Tenzing Norgay conquered the Everest peak, the highest summit in the of world is being turned converting into a garbage dump. er site. The Hundreds of climbing expeditions pace every each year leave behind a mountain of waste had produced an accumulation of hundreds of wastes. which includes oxygen bottles mixed with plastics, cans, excrements and sometimes even with the with corpses of people who died on had dided in the mountain. From Since 1957, 7000 people have reached achieved to arrive to the summit and due to the extreme conditions, nobody has been concerned worried about how to remove their tanking down wastes.
Ang Tshering, who is the Chairman of the Mountain Association in Nepal, gave issued the alarm and reported that the wastes accumulation is a great threat to the environment. One of the most vulnerable spots points is the camp site at 5300 metres which does not have a functioning toilet. without any equipment that can make the toilet function. Due to this situation, As a result, the best and most common solution adopted by the mountaineering groups is to make a hole in the snow for their toilet. The amount of excrements and urine is so extensive big that it is now posing nowadays is a major health threat.The Nepal Government established a new regulation about the wastes making which makes it compulsory that to each mountaineerings group removes to charge with 8 kilos of wastes if they attempt tried to climb the Everest. (I'm not sure if this last sentence is what you intended to say)

Yes, this is definately a major problem.  Unfortunately, bringing back down the dead climber's bodies can be a very difficult if not impossible task.  This is definately an activity that is not on my "bucket list"!  Keep up your good work Lidia!

The Evesrest, Everest the highest dumpert site in the world

Decades after Edmund Hillary and Tenzing Norgay conquered the Everest peak, the highest summit of in the world is converting into a dumper site. The hundreds of expeditions that take place every year had have produced an accumulation of hundreds of tons? kilos? of wastes. Oxygen bottles mixed with plastics, cans, excrements and sometimes with corpses of people who had died in on the mountain. From Since 1957, 7000 people have achieved managed to arrive to at the summit (<em>or</em> managed to reach the summit) and due to the extreme conditions nobody worried about taking down wastes.
Ang Tshering, who is the Chairman of the Mountain Assosiation in Nepal, gave raised the alarm and reported that the wastes accumulation is a great threat to the environment, One of the most vulnerable points is the camp site at 5300 metres, without any equipment that can make the toilets function. Due to this situation, the best and most common solution adopted by the mountaineering mountaineers (<em>or</em> mountaineering teams) is to make a hole in the snow. The excrements and urine is so big much that nowadays it is a health threat.The Nepal Government established a new regulation about the wastes making it compulsory to mountaineerings to charge with for mountaineers to bring back 8 kilos of wastes if they tried try to climb the Everest.

Good stuff. Corrections in red, suggestions to sound more natural in blue/grey.

In English you say "on the mountain" if it is singular (you are on Mount Everest), but "in the mountains" if it's plural (you are in the Himalayas).

Corrections

Unclear phrasing

Everest, the highest dump site in the world

Decades after Edmund Hillary and Tenzing Norgay conquered the Everest peak, the highest summit in world is converting into a dump site. The hundreds expeditions pace every year has produced an accumulation of hundreds of wastes. (how much?) Oxygen bottles mixed with plastics, cans, excrement and sometimes the corpses of people who have died on the mountain. From 1957, 7000 people have achieved to arrive to the summit and due to the extreme conditions, nobody worried about taking down waste.
Ang Tshering, who is the Chairman of the Mountain Assosiation in Nepal, gave the alarm and reported that the waste accumulation is a great threat to the environment. One of the most vulnerable points is the camp site at 5300 metres, without any equipment that can make toilets function. Due to this situation, the best and most common solution adopted by mountaineering is to make a hole in the snow. The excrement and urine is so numerous that nowadays it is a health threat. The Nepal Government established a new regulation about the waste, making it compulsory to mountaineerers to charge with 8 kilos of waste if they tried to climb Everest.