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water resourceswater as you know is the most essential component of life our water resources are limited though apparently water is
natural resourcesresources or the wealth nature has bestowed on us are essential for civilised living and therefore they have to be wisely used
pollution due to radiationshazards of nuclear radiations are extremely serious because they upset the genetic make up of the living beings
pollution due to noisesound is an important means of communication but high levels of noise could damage hearing and cause deterioration
eutrophicationmaterials such as sewage or organic wastes from milk plants canneries slaughter houses paper mills starch factories and fish
controlling air pollutionnow let us see how air pollution can be controlled i photochemical smog-eliminating this would require
depletion of ozone layersince the last decade or so there is concern about the possible reduction in the ozone layer surrounding the earth
greenhouse effectscientists have reason to believe that air pollution both due to carbon particles or soot and carbon dioxide would affect
acid raina side effect of air pollution is acid rain which is now of common occurrence you might have seen that some industries build very tall
photochemical smogphotochemical smog a secondary pollutant results when the two pollutants nitrogen oxide and hydrocarbons
air pollution by particulatesparticulates constitute the third category of air pollutants these are mostly fine carbon particles less than
air pollution by carbon monoxidecarbon monoxide is produced when organic materials such as gasoline coal charcoal and trash are incompletely burnt
pollutionnow-a-days you might have heard every one talking about pollution what does pollution mean pollution is the addition to the environment
life in foreststrees are the pillars of the forest upon which much of the other forest life is shaped associated with them there may
some features of the forestsforests are the most widespread stretches of vegetation harbouring diverse kinds of life forms they are
ecological crises the natural atmosphere which man has inherited from the past with healthy and fresh air shielding from excessive radiation of
some physical features of the atmospherei the atmosphere is a mixture of gases it is made up of 7808 nitrogen 21 oxygen by volume there is
atmosphereatmosphere is an envelope of the most useful gases that cover the planet earth it makes our planet unique and enables life to prosper if
ecological crises in oceans and coasts coastal and marine areas all over the world including those in india are under stress because two thirds of
availability of nutrientsthe nutrients in the upper layers of water are constantly being taken up by the phytoplankton who are the
some physical features of the oceansthe oceans are so vast that they stagger ones imagination they cover more than 70 per cent of the earths
interaction in the earth ecosystemin this comparatively smaller section we will give you the idea that the earth as a whole is an ecosystem
intrusion into the water cyclewater management is one of the leading concerns of man today the natural water cycle has not been able to
intrusion into the carbon cycle in the carbon cycle as long as the average amount of carbon dioxide hair and in water remains the same a
intrusion into the nitrogen cyclehuman intervention can disturb the nitrogen cycle let us see how when we grow and harvest crops there is loss