Why is global warming a serious issue
Answers
The cost and benefits of global warming will vary greatly from area to area. For moderate climate change, the balance can be difficult to assess. But the larger the change in climate, the more negative the consequences will become. Global warming will probably make life harder, not easier, for most people. This is mainly because we have already built enormous infrastructure based on the climate we now have.
People in some temperate zones may benefit from milder winters, more abundant rainfall, and expanding crop production zones. But people in other areas will suffer from increased heat waves, coastal erosion, rising sea level, more erratic rainfall, and droughts.
The crops, natural vegetation, and domesticated and wild animals (including seafood) that sustain people in a given area may be unable to adapt to local or regional changes in climate. The ranges of diseases and insect pests that are limited by temperature may expand, if other environmental conditions are also favorable.
The problems seem especially obvious in cases where current societal trends appear to be on a “collision course” with predictions of global warming’s impacts:
at the same time that sea levels are rising, human population continues to grow most rapidly in flood-vulnerable, low-lying coastal zones;
places where famine and food insecurity are greatest in today’s world are not places where milder winters will boost crop or vegetation productivity, but instead, are places where rainfall will probably become less reliable, and crop productivity is expected to fall;
the countries most vulnerable to global warming’s most serious side effects are among the poorest and least able to pay for the medical and social services and technological solutions that will be needed to adapt to climate change.
In its summary report on the impacts of climate change, the Intergovernmental Panel on Climate Change stated, “Taken as a whole, the range of published evidence indicates that the net damage costs of climate change are likely to be significant and to increase over time.”
Hey mate,
This is what I know about Global warming
Global warming is the average increase in the Earth's surface temperature due to the presence of some gases which trap heat coming directly from the Sun.
The atmosphere of Earth absorbs some of the Sn's incoming and outgoing infrared radiation.The warmed up atmosphere produce its own infrared radiation, some of which is further absorbed by the Earth's surface. It results in the increase in Earth's equilibrium is called Greenhouse Effect.
Water vapours, methane and ozone absorb great quantity of infrared radiations. However, carbon dioxide is the worst offender. Its concentration is increasing in atmosphere by burning fossil fuels in homes, industries and vehicles.
If the rise in Earth's temperature follows the current trend, it will have disastrous impact in the near future. Melted-down snow will rise sea-level and increase flooding; extreme weather events like-floods, hurricanes, tsunamis etc. are likely to increase.
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