Nature and the environment exert a great influence on all living and non-living beings for the very survival of future generations.
Influence of the natural environment
All living beings are influenced by the natural environment in which they live which is a set of factors that gradually change over time to adapt to new balances.
The environment, as far as possible, must be preserved by man with behaviors that contribute, along with other causes that may also be natural, to its destruction.
Animals must be protected to prevent their extinction, reduce pollution by promoting alternative energy sources, safeguard natural resources and all ecosystems by avoiding their wild exploitation, extend the number and surface of protected natural areas by reducing cementification.
Balance nature and environment
The environmental balance is influenced by the complex interaction of environmental factors that together with all living beings form an ecosystem that must necessarily be kept in balance to ensure the survival of human species, flora and fauna.
Over the course of the various events in the history of the earth, the environmental characteristics have varied a lot, just think of the drift of the continents, the various glaciations with consequent climatic changes.
Throughout its history, man has certainly influenced the modification of the environment, with the construction of cities, indiscriminately exploiting some natural resources, making changes to the landscape with the cementing and construction of new roads, etc.
Today there is a lot of discussion about the problems related to the environment, in particular of the greenhouse effect with consequent global warming, of the hole that originated in the ozone layer, of the deforestation caused by excessive exploitation without replacement of the cut plants and by fires in many cases, even malicious , of acid rains, of the extinction already occurred or still in progress of many living species.
Environmental pollution against nature
There is talk of pollution when there is a change in environmental conditions that damages the ecosystem putting one or more forms of life at risk.
Pollutants can be substances also present in nature and therefore not only the result of human action.
Just think that sometimes there can be simultaneously lethal elements for one species and vital for another.
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The greenhouse effect consists in the presence around the earth of a layer of atmosphere able to partially absorb the infrared rays emanating from the ground due to the heating caused by the sun.
This phenomenon creates a radiative equilibrium characterized by a higher temperature than that which could exist in the absence of an atmosphere.
The ozone layer present in the ozone layer has the task of filtering the ultraviolet radiation from the sun which would otherwise be harmful to human skin, would reduce the photosynthesis of plants and would cause the destruction of phytoplankton essential for the entire marine food chain.
The ozone hole is nothing more than a temporary reduction of the ozone layer that occurs periodically in the polar areas.
Defacing nature and the environment with deforestation
Deforestation is a widespread practice from the earliest times to obtain wood to burn for heating homes, to obtain building material, to create land where to plant agricultural crops or build urban centers.
Desertification is a process of soil degradation due to climatic factors and human activities that cause too intensive exploitation for agricultural and industrial purposes.
Acid rains are rainy phenomena characterized by the presence of acids formed in the atmosphere following combustion processes due to thermoelectric power plants, the discharges of motor vehicles, the boilers of heating systems which release large quantities of sulfur dioxide and oxides into the atmosphere of nitrogen which, by reacting with the water vapor constituted by the clouds, produce sulfuric acid and nitric acid.
With acid rain all these compounds fall on the earth, even very far from the places that caused them, with strongly negative repercussions on the environment.
