One of the biggest problems facing the world today
is global warming. Many scientists believe that our production of carbon
dioxide and other greenhouse gases is having a heating effect on the
atmosphere, and this could be very dangerous for human life. This essay will examine
the problem of global warming and suggest some ways of solving the problem.
Global warming is the warming near the earth's
surface those results when the earth's atmosphere traps the sun's heat. The
earth is getting warmer. The changes are small, so far, but they are expected
to grow and speed up. Within the next fifty to one hundred years, the earth may
be hotter than it has been in the past million years. As oceans warm and
glaciers melt, land and cities along coasts may be flooded. Heat and drought
may cause forests to die and food crops to fail. Global warming will affect
weather everywhere, plants and animals everywhere, people everywhere; people
are warming the earth's atmosphere by burning fuels, cutting down forest, and
by taking part in other activities that release certain heat trapping goes into
the air
Unfortunately, burning fossil fuels is not the only
thing that we humans are doing to increase the amount of carbon dioxide in the
atmosphere. In many parts of the world today, forest are being destroyed at an
alarming rate. Enormous numbers of trees are being cut down, both to provide
timber and to clear the land for farming or ranching. This destructive process
is called deforestation. In order to clear forests for agriculture, people cut
down and burn all the trees in area. When the flames die down, nothing is left
but acres of blackened, lifeless countryside. The fire destroys all the plants
and kills or drives off the animals. Because there has been little attempt to
replant trees in deforested areas, the world's forests are disappearing very
quickly.
Deforestation makes the problem of the greenhouse
effect worse in two ways. When trees are burned,carbon dioxide is released into
the air. Some researchers think that the large-scale burning of forests around
the world adds at least one billion tons of carbon dioxide to the atmosphere
each year. But deforestation does more than just add carbon dioxide into the
air.To also eliminates countless numbers of carbon dioxide-absorbing trees from
the environment. As fewer and fewer trees are left to take up carbon dioxide,
the concentration of carbon dioxide in the atmosphere increases faster and
faster.
Many problems could result from global warming. One
of the biggest problem is the rising of sea level. This could result in the
flooding of low lying coatal areas and cities, such as Egypt, the Netherlands,
and Bangladesh. Some countries might even disappear completely! Another problem
caused by global warming is the changes in weather patterns. Many areas of the
world are experiencing increased hurricanes, floods, and other unusual weather.
A third problem associated with global warming is the effect on the animals.
Fish population could be affected, while some insects which spread disease
might become more common.
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