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vertion
Expert Boarder
Posts: 86
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A film, named 'The day after Tomorrow', whose motif is global warming was released recently. It is dealing with how mankind copes with when mankind faces with ice age. If so, what is the 'Global Warming' and How will we be affected by it? Global warming means rising temperature. It is caused by heat which couldn't escape from the Earth by greenhouse gas. This phenomenon affects on our life in many ways. Firstly, there is a rising of water surface. As global warming is preceeding, so water surface will arise due to melting ice berg in poles.Because of this, low-lying area and island countries will be flooded. Secondly, it gives ecosystem a lot of side effect. We expects that global warming will make water circulating mechanism changed into pattern of usage water resources. We can expect that quantity of water in river will increase due to rising amount of rainfall in high latitude. However, we can expect that quatity of water in river will decrease because of diminishing of rainfall in low latitude. Thirdly, It will be affected on agriculture and forestry. Due to global warming, climate zone will move from medium latitude to poles. This will be affected on plants and crops distribution. In addition, global warming makes soil ruined. Global warming affects on our life badly.If so, What do we have to do? First, We have to save energies and resources. Second, We should use environmental goods. Finally, We must plant and raise trees. If we can keep our mind about this, amount of greenhouse gases will decrease and we can reserve the environment.
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was2004
Expert Boarder
Posts: 84
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Apparently, the two worst-case scenarios seem to be on either side of us within the Solar System.
Exhibit A: Venus. Venus suffers from runaway greenhouse effect. Surface temperatures are 900 degrees F. Summary: Humans can live in environments like that. If your atmosphere gets really thick with carbon dioxide, it could happen here too.
Exhibit B: Mars. Mars' atmosphere has basically dried up and blown away, as it has somehow escaped into space leaving almost covering to protect against UV and other cosmic rays. Although a 4.5-billion year old meteorite identified as originating on Mars was found in Antartica and showed fossil remains of single-cell type oranisms, the soil there now (whenever studied by probes) appears completely sterile and the atmosphere has been described by NASA as 'self-sterilizing.' Summary: Humans can't live there either.
Assuming that there really may be a 'line of no return' either of these dead-end outcomes is within the realm of possibility if things are driven to either extreme.
We COULD be cleaning polluted waters, fertilizing infertile soil, making a greener planet and reclaiming more and more fertile areas, but are we?
No. We are doing the exact opposite.
We could put a complete moratorium on heavier than air pollutants of all kinds, and slowly adapt to new technologies. If we were to bite the bullet and go completely solar now, I bet we could do all the same things we do now within 10 years or so.
We cannot let corporate entities with vested interests and political ties make these decisions for us any longer, but who among us can tell them to stop and make it stick?
Is money more important than the environment?
Once we answer that question in the affirmative we have to make sure that all our decisions are in line with the sentiment. Otherwise we are much like ticks drawing the last bit of blood from a dying dog, with the main difference being that we can't just hop off and find another dog once this one's gone.
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