Most of the world's population lives in cities, which is why urban areas are overloaded. At the moment, it is worth noting the following trends for urban residents:
- worsening living conditions;
- disease growth;
- decline in productivity of human activity;
- reduced life expectancy;
- environmental pollution ;
- climate change.
If you put together all the problems of modern cities, their list will be endless. We outline the most critical environmental problems of cities.
As a result of urbanization, there is significant pressure on the lithosphere. This leads to a change in relief, the formation of karst voids, and disruption of river basins. In addition, there is desertification of territories that become unsuitable for the life of plants, animals and people.
Degradation of the natural landscape
Intensive destruction of flora and fauna takes place, their diversity decreases, a peculiar "urban" nature arises. The number of natural and recreational areas, green spaces is decreasing. The negative impact comes from cars that overwhelm city and suburban highways.
Water supply problems
Rivers and lakes are polluted by industrial and domestic wastewater. All this leads to a reduction in water areas, the extinction of river plants and animals. All water resources of the planet are polluted: underground waters, intracontinental hydraulic systems, the World Ocean as a whole. One of the consequences is the shortage of drinking water, including the death of thousands of people on the planet.
This is one of the first environmental problems that were discovered by mankind. The atmosphere is polluted by car exhaust, industrial emissions. All this leads to dusty atmosphere, acid rain . In the future, dirty air becomes the cause of diseases of people and animals. Since forests are intensively cut down, the number of plants that process carbon dioxide is reduced on the planet.
The problem of household waste
Garbage is another source of pollution of soil, water, and air. Various materials are recycled for a long time. The decay of individual elements requires 200-500 years. In the meantime, there is a process of processing, harmful substances that cause diseases are released.
There are other environmental problems of cities. No less relevant are noise , radioactive pollution , overpopulation of the Earth , problems of the functioning of urban networks. These problems should be addressed at the highest level, but people themselves can take small steps. For example, throw garbage in an urn, save water, use reusable dishes, plant plants.