Firs of all I would like to say that when we make life easier for ourselves, we make it harder for nature, animals and plants including ourselves.
I pointed out in my mind most important worldwide concerns. They are:
1.Global warming;
2.Acid rain;
3.Disappearing forests and wetlands;
4.Holes in ozone;
5.Over fishing.
Scientists say that the earth is becoming warmer and there will be major changes in climate during the 21st century. …
