Environmental problem usually indicates the condition around an organism or a group of organisms. The conditions about denote all those elements on which the existence as properly as growth of organisms essentially depend. The element of environment covers both  biotic and  abiotic worlds and is functionally interlinked. In basic words, environment means the network of relationships that exist amongst the elements in an region or a region.

The human society and their activities are integral parts of the network of relationships. The towns and villages, industries, transport and communication and all other human activities are also constitutes of an environment. Therefore, it is human- nature relationship that creates the environment of an region.

As lengthy as the natural and human elements stay in balance troubles do not raise their heads.

When all the elements of lithosphere, hydrosphere, atmosphere and biosphere maintained a balance among themselves, no environmental difficulties put human beings in such an acute trouble as it is right now. At that time human society tried their finest to live with nature. But throughout the final 3 centuries the numerical strength of population and the demand for resources elevated in such a way that the balance amongst the environmental elements got disturbed to a huge extent. As a consequence new problems have began emerging. As all the troubles are fundamentally linked with the environment, they are referred to as environmental problems.

It is a known fact that carbon dioxide constitutes .035 % of the atmospheric gases.

Co2 absorbs the radiated solar energy and helps the earth’s surface and the immediate atmosphere to sustain a favorable temperature. There are some other gases like Methane CH4, Nitrous Oxide N2O, and Chlorofluorocarbons CFCs which plays similar role. These gases are known as greenhouse gases. Now the point is that if the proportion of these gases some how increases, then the temperature of the atmosphere and the earth’s surface will also improve. Currently the industries and vehicles are emitting large amount of Co2 to the atmosphere causing a raise in the surface temperature of the earth. Similarly the agriculture and livestock practices are also adding Methane content to the atmosphere. All these human induced elements are responsible for severe difficulties like global warming.

If the atmospheric gases remain at a balance or in other words if there had  been no boost in Co2 level in the atmosphere, maybe there wouldn’t have been difficulties like global warming. Similarly, deforestation, degradation of the wetlands, application of chemical fertilizers and insecticides and so on. in agriculture, overgrazing in desert margins have also contributed towards creating an imbalance in the natural method and has brought on a selection of difficulties. All these difficulties are closely related with the environment and therefore they are known as environmental issues. Virtually each and every part of world is affected by this difficulty.