Some impacts of human activities on ecosystems?

Answer 1

Some areas of our environment have definitely been affected by man while others are very debatable.

One of the less debatable issues is the area of pollution of our waters and land. We use billions of tons of plastic each year wastefully and then discard this as waste. The overall affect is inexcusable. Yet, in our quest for a more convenient world we are using more plastic today then ever before. This is largely ignored because we feel good about the convenience of these items or we enjoy the increased styling of our automobiles decked out in plastic trim. The wasteful use of our Natural Resources is ignored in favor of less tangible (and far less real issues) like the ozone layer or global climate change.

The ability to see the acidity of rain is easy and real, yet we belch out sulfur dioxides into our air. We can see ever growing landfills, yet returnable bottles are troublesome. Nuclear power is a clean and extremely safe method of delivering power, yet we make silly (and non productive) alternative systems that provide a feel good approach to the problem.

The idea that man has anything to do with the current climate issues is foolish and easy proven incorrect, yet we still spew the idea to create political change and transfer wealth to other countries.

The current warming trend started roughly 6000 years ago. All but 0.6 degrees of this change occurred before the first burning of fossil fuels according to every available source of data. The warmest year on record was over a decade ago, yet we still believe that CO2 (which makes up 0.038% of the atmosphere) is an issue. (The change to our atmosphere is 0.007% at worst by the way.)

Real problems exist with over hunting of animals and over fishing of species. We should start to focus on real issues and move away from the politics.

Humans impact the environment mostly in negative ways. Some of which include the cutting of trees, the burning of coal, and the pollution emitted from cars and factories. Cutting trees deprives the society from oxygen. Burning of coal and gas from factories and cars release toxic chemicals that are causing global warming.

Answer 2

Air and water pollution leading to ozone hole, greenhouse effect, acid rain and bioaccumulation.