| It is important to understand the
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| | confidence conclude that current
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| significance that global warming has on
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| | temperatures represent a real warming
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| not only our earth, but our daily lives
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| | trend rather than a chance fluctuation
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| as well. It's also important to
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| | over the 30-year period." Most scientists
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| understand the effects of global warming
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| | agree that the planet's temperature has
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| that our children and grandchildren will
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| | risen 0.5 degrees Celsius since 1900, and
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| experience in the years to come if things
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| | will continue to increase at an
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| continue the way they are now.
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| | increasing rate. The environment is
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| First, it's important to understand that
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| | responding to this warming. For instance,
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| ?Global Warming? is also known as the
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| | a study of mountain plants in the Alps
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| ?Greenhouse effect?. Instead of a plastic
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| | (Europe), shows that some cold-loving
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| or glass shield, the earth has around it
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| | plants are starting to move to higher and
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| a series of atmospheric gases consisting
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| | cooler altitudes. That is a possible
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| mostly of nitrogen and oxygen molecules.
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| | response to increasing temperatures.
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| The earth is about 60 degrees Fahrenheit
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| | The global effects of the greenhouse
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| warmer than it would be if it didn't have
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| | effect cannot be directly predicted
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| those atmospheric gases surrounding it.
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| | simply because we do not have enough
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| They keep the earth warm and protected
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| | knowledge in the subject. However, we
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| from excess UV (Ultra Violet) rays from
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| | have been able to draw direct connections
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| the sun. Once warmed, their molecules
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| | between certain natural phenomenon that
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| then radiate a portion of this heat
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| | supports the idea that something is
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| energy back to earth, creating more
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| | changing.
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| warming on the surface of our planet. It
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| | Global warming has great effect on crops
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| is this radiation which causes
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| | and weather conditions around the world.
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| atmospheric gases to move back to earth
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| | The northern hemisphere contains more
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| that scientists call the "greenhouse
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| | land area than the southern hemisphere,
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| effect".
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| | and conversely, a lower percentage of the
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| Much debate in the last five years about
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| | world's oceans. Since oceans absorb more
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| the greenhouse effect has centered on
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| | heat than land areas, it is not
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| interpreting temperature numbers
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| | surprising that most climate models
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| generated at weather stations all over
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| | predict faster heating over the northern
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| the world. The data from these
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| | hemisphere than the global average. In
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| thermometers are averaged and plotted in
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| | addition, models predict faster
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| attempts to determine just how fast the
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| | temperature increases at higher
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| earth has heated up since the
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| | latitudes. If global warming trends
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| measurements began. There is now no doubt
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| | continue, high temperatures everywhere in
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| the world is getting warmer. The
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| | the US may reduce US agricultural
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| thermometers show that the world is
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| | productivity.
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| warmer now than at any time since the
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| | Northern continental areas are projected
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| measurements started. The year 1990 was
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| | to have drier summer soils, due in part
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| the hottest year in the last century.
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| | to earlier snow melts in the spring, and
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| Together with 1991, the years of 1983,
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| | hotter, more cloudless summers, causing
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| 1987, 1988, and 1989, have been measured
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| | extensive evaporation of ground moisture.
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| to be the warmest 6 years in the last
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| | In addition, if the inland areas of the
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| hundred years. 1991 was the second
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| | northern hemisphere are expected to
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| warmest year of the past century, perhaps
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| | receive less moisture, then, lake and
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| due to the eruption of Mt. Pinatubo
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| | river levels will be lower. Some reports
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| during that year. The ash from the
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| | predict the level of the Great Lakes will
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| volcano in the upper atmosphere blocks
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| | drop between 2 and 8 feet. River flows in
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| some sunlight to earth, and is expected
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| | the western US may be very vulnerable to
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| to generate a temporary two or three year
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| | increase temperatures expected as result
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| cooling effect. After that time, most ash
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| | of the greenhouse effect.
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| particles will have settled back to
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| | Scott Byers is the owner of Global
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| earth, and most scientists expect to see
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| | Warming Info, a complete global warming
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| the global warming trend continue.
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| | resource with articles on global warming
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| According to scientists, we can with "99%
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| | that you need to read.
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