Human impact on the environment

Human influence on the environment is undeniable and obvious. We must honestly admit that all the negative, which is observed in nature, is "due" to man. People tend to solve any of their problems, regardless of the possible consequences for the environment. A lot of entrepreneurs put forward on the first place one single goal - profit making, leaving care for the environment for later.

Given such a consumer attitude to natural resources, it is not surprising that humanity has come close to solving global environmental problems . It is from them that will determine the further happy or problematic life on Earth.

Of course, at the beginning of the 20th century, when progress was only gaining strength, much was done to improve the quality of life, but whether there was a positive human impact on the environment, the issue is controversial. Marshes were drained, roads were laid, first hydroelectric power stations were built. Engineers, not having computers and guided only by their calculations, erected structures, taking into account the landscape and the state of groundwater. The human impact on the environment was assessed long before the work began, and measures were taken to reduce the risk of negative impacts on nature.

Great changes that occur continuously in agriculture, clearly demonstrate the influence of man on the environment. Often they lead to large-scale and irreversible changes. For example, today under agricultural fields 10-12% of the terrestrial land area is plowed. Their increase, as scientists estimate, will not be able to fully solve the food problem, but it can lead to a catastrophic depletion of the soil. In some countries, the lands are plowed up by 30-70%, and their intensive exploitation has already led to ecological shifts. Without taking urgent measures, mankind risks leaving dead, unsuitable lands to its descendants.

The human impact on the environment in the agricultural area is also associated with excessive, sometimes thoughtless use of fertilizers and herbicides. This leads not only to the fact that many grown foods become hazardous for consumption, but also to negative effects on soil and groundwater.

At present, perspective agricultural institutions have come to the conclusion that it is necessary to solve the problem of food shortage on Earth by breeding highly productive breeds of animals and the same yielding varieties of plants.

Previously, farmers were less likely to afford a predatory attitude to the fertile layer of the earth. The positive influence of man on the environment was expressed in the fact that the soil was treated according to all the rules of agrarian science, allowed to rest and generously fertilized with organic. People built prospects for the future, understanding at the same time the invaluable nature of the land.

Unfortunately, the rapid 20th century is characterized by a waste of natural resources, which uncontrollably leads to periodic ecological catastrophes.

Mankind drains the river and takes 13% of the river flow, annually processed 100 billion tons of useful natural resources, and electricity consumption doubles every 10 years. This can not but affect the surrounding nature. It is not necessary to count on the fact that everything will return independently, but this does not stop entrepreneurs in pursuit of profit. Of course, the human impact on the environment must change and become more prudent. Otherwise, our descendants are unlikely to be grateful to us.

A reasonable human impact on the environment will allow achieving a balance in nature and harmony, and this is exactly what progressive humanity is striving for. Scientists create new high-tech treatment plants, use modern non-waste technologies. A great and humane work is carried out by specialists in the conservation of rare and endangered species of animals. They are listed in the Red Book, they are not allowed to hunt. Of course, the best thing for them is to live in a natural environment, in reserves and zakazniks.