有關global warming !!!!!

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大約120字!!!!!thx!!!!!

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  • John
    Lv 7
    1 十年前
    最愛解答

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    Global mean surface temperature anomaly 1850 to 2006

    Global warming is the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation.

    Global average air temperature near the Earth's surface rose 0.74 ± 0.18 °C (1.3 ± 0.32 °F) during the past century. The Intergovernmental Panel on Climate Change (IPCC) concludes, "most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations,"[1] which leads to warming of the surface and lower atmosphere by increasing the greenhouse effect. Natural phenomena such as solar variation combined with volcanoes have probably had a small warming effect from pre-industrial times to 1950, but a cooling effect since 1950. The basic conclusions have been endorsed by at least 30 scientific societies and academies of science, including all of the national academies of science of the major industrialized countries. The American Association of Petroleum Geologists is the only scientific society that rejects these conclusions,[2][3] and a few individual scientists also disagree with parts of them.[4]

    Climate models referenced by the IPCC project that global surface temperatures are likely to increase by 1.1 to 6.4 °C (2.0 to 11.5 °F) between 1990 and 2100.[1] The range of values reflects the use of differing scenarios of future greenhouse gas emissions and results of models with differences in climate sensitivity. Although most studies focus on the period up to 2100, warming and sea level rise are expected to continue for more than a millennium even if greenhouse gas levels are stabilized.[1] This reflects the large heat capacity of the oceans.

    An increase in global temperatures can in turn cause other changes, including sea level rise, and changes in the amount and pattern of precipitation. There may also be changes in the frequency and intensity of extreme weather events, though it is difficult to connect specific events to global warming. Other effects may include changes in agricultural yields, glacier retreat, reduced summer streamflows, species extinctions and increases in the ranges of disease vectors.

    Remaining scientific uncertainties include the exact degree of climate change expected in the future, and how changes will vary from region to region around the globe. There is ongoing political and public debate regarding what, if any, action should be taken to reduce or reverse future warming or to adapt to its expected consequences. Most national governments have signed and ratified the Kyoto Protocol aimed at combating greenhouse gas emissions.

  • 1 十年前

    Global Warming(全球暖化)

    -只供參考 以下果d都係好長的,你自己參考下,把各參考文,中的重點,寫去你篇英文作文度。

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    definition:

    An increase in the Earth's temperature caused by human activities, such as burning coal, oil and natural gas. This releases carbon dioxide, methane, and other greenhouse gases into the atmosphere. Greenhouse gases form a blanket around the Earth, trapping heat and raising temperatures on the ground. This is steadily changing our climate.

    impact:

    1)Sea level rises

    2)Crops and productivity

    3)Disease

    solution:

    reduce energy consumption by making fewer journeys and using better insulation in our homes. This would lessen the need to burn coal and oil, and lead to reduced emissions of carbon dioxide and nitrous oxide.by making wider use of low carbon fossil fuels like natural gas, and decarbonising exhaust gases from power plants.

    Environmental groups like Greenpeace and Friends of the Earth would like to see a switch to renewable and clean sources of energy such as solar, wind and hydro-electric power.

    Sustaining existing forest cover, planting new trees and better management of land use is also suggested as a means to slow global warming.

    More controversial is the use of nuclear power. Nuclear fission avoids using large quantities of fossil fuel for energy but is very contentious because it produces radioactive waste.

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    In the past,the weather on October was quite cool,mightbe sometimes made people shaking.Yet, this type of feeling is going to vanish by the fact that Global warning is becoming more ; more serious causing by desforestation or overusing fossil fuel.As the tempersture is still rising ,who can visualize what will happen.The other ideas is going to be broach next.

    Increasing tempersture is seem like a small problem ,but getting a closer look.It will carry out a number of adverse effect on our invalueable environment which is not able to amend by manpower.First of all ,rising of water is one of the outcome. By it, more useful land resourse will be covered my the ocean ; the land rent will also step up unobviouslyy reducting land area.Not only do the land reduced, but also some countrise would be covered by the blue surface forever.Second, it also make the environment becoming not suitable to some organism living in this world.Then they would disappear from the world.Third ,it is destroying the area from some animal staying in polar.

    The reason come out by the human being. Normally, all of us know that overusing fossil fuel makeing it more grave.The others one is desforestation by some fool.As a result, this two case work in pair.One them increase the production of greenhouse gases.On the other hand ,the rate of breaking down them is decreased.So,it bloom in a fast way.

    What can we do for it?you may think the power you have is too tiny to change.However ,it can be enlarged if anyone do it.That 's very simple doing them in our daily life, etc taking public transport if time is allowed , avoiding overuse of air-conditioner , using the sourse completely or ever taking your own food instead of going to fast food shop since it is more environment-friendly.Can you do,You are recommended to do more in other way .

    All at all, it is amendable or not is depend on what the man do.It is nothing if everyone in this world ignore it.

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