Erosion is the destruction of the surface layer of the earth, it is customary to distinguish depending on what main factors have a destructive effect. It is believed that there are three. This is water, wind, a combination of the first and second.
Few of today's people think seriously about the possible consequences of global warming.
The appearance of 16-year-old Swedish schoolgirl Greta Thunberg on September 23, 2019 at the UN podium was, if not “thunder from a clear sky”, then at least an event that few people in the world left indifferent to her words.
The problem of eutrophication (water bloom) is widespread and serious, because according to UNEP (United Nations Environment Program) about 30-40% of lakes and reservoirs around the world have suffered from this phenomenon. In addition, eutrophication can occur both in fresh water and in sea water.
One of the most urgent and discussed environmental problems is the greenhouse effect.
At the end of the century, it became clear that, due to a number of reasons, the ozone layer is depleted, becoming thinner in some places or simply less saturated with ozone. This phenomenon has been called ozone holes.
Acid rain is precipitation in which the water has a low pH. This indicator displays the concentration of hydrogen.
Deforestation for the purpose of harvesting timber in some places is becoming widespread. Such intensive and unreasonable use gradually leads to the fact that the forest fund begins to be depleted. This is noticeable even in the taiga zone.