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It is the condition of having a population
so dense as to cause environmental
deterioration an impaired quality of
life, or a population crash.
A- natural- disaster- is the effect of a natural hazard that affects the environment, and leads
to financial, environmental and human losses.
The resulting loss depends on the capacity of
the population to support or resist the
disaster, and their resilience.
Each of us should know even in small ways how to do the right thing in helping the nature clean as possible.
Ecology is the science of the study of ecosystems. Ecological balance has been defined by various online dictionaries as "a state of dynamic equilibrium within a community of organisms in which genetic, species and ecosystem diversity remain relatively stable, subject to gradual changes through natural succession." and "A stable balance in the numbers of each species in an ecosystem."
Ecological balance is very important for continued existence and survival of organisms and stability of environment. It is also important for adaptation of organisms to the environment and vice versa.
Our country is rich in wild plants and animals, but many of these are now endangered. Laws and regulations must be followed in order to protect them.
Air pollution is the introduction in the atmosphere of chemicals, particulates, or biological materials that cause discomfort , disease, or death to humans, damage other living organisms such as food crops, or damage the natural environment or built environment.
Land pollution is the degradation of
Earth's land surfaces often caused
by human activities and their
misuse of land resources. It
occurs when waste is not disposed
properly.
Water pollution is the contamination
of water bodies. Water pollution occurs
when pollutants are discharged
directly or indirectly to water bodies
without adequate treatment to remove
harmful compounds.
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