Enviormental degradtion has taken place due to many factors. One among them is of human activity.how?

Answer 1

There are so many ways humans are affecting the environment it is impossible to list them all. For starters, just go outside and look around you. Imagine no humans, no roads, no buildings, no cars burning fossil fuels. Imagine what it was like where you live. Was it forest? Was it prairie?

We are using fossil fuels that took hundreds of millions of years to build up at such a rate they will all be used up in about 100 more years. Those fossil fuels are from plants and animals that absorbed carbon from the atmosphere and stored it underground to create breathable air for non-plant life forms. The carbon is now being re-released.

Rain forests are being cut down. Cities are paving over the ground causing rain to run off instead of soaking into the soil. The paving and buildings are also disrupting the natural cooling of vegetation.

Invasive species are being moved around the world by human traveling.

Airplane vapors are keeping it warmer at night than nature originally did. (this was discovered when all air traffic was shut down after 9/11)

The natural balance of prey and predator has been disrupted - wolves are gone, deer have overpopulated and are being hit by cars in ever-increasing numbers for instance.

I could go on and on. But, I urge you to look around and see for yourself!

Answer 2

Humans are the main factors...
The air, water, and land are the key areas of damage created by man.
Air pollution, greenhouse effect, acid rains, water pollution, biological magnification, non biodegradable, non processed industrial wastes, improper disposal of nuclear wastes, etc... are a few of the activities involving man in the degradation of the environment.