pidato b inggris

Pidato

 Global Warming

Assalamu Alaikum Wr. Wb

First of all I would like to say thank you to the teacher and all my friend who has given mee nice opportunity speech on this day, about

global warming.We know global warming is serious problem which is world well in country developing and country developed. Global waming in reason by activity human which working way a ware or not a ware.Global warming is a process to increase body temperature average atmosfer: sea and land. Stage body temperature global settlement will to cause alteration which other except to clib surface sea water, stage weather, and alteration total. Result global warming which other influenced crop agriculture, and destroyed kind animal. All energy source which can be grond originally with sun.

A part that energy inside form short wave radiation, including apperent shine when this energy to hit ground surface it changeable with shine to make hot with to warm up eart.With temperature average large 15 C (59F), eart in fact already hot more 33 C (59F) with greenhouse effect. So that ice will to shut all grond surface but on the contrary. Result total tha t gas already more in atmosfer global warming result to become.To protect the health and economic well-being of current and future generations, we must reduce our emissions of heat-trapping gases by using the technology, know-how, and practical solutions already at our disposal.

The Earth’s climate changes in response to external forcing, including variations in its orbit around the Sun (orbital forcing), volcanic eruptions, and atmospheric greenhouse gas concentrations. The detailed causes of the recent warming remain an active field of research, but the scientific consensus is that the increase in atmospheric green house gases due to human activity caused most of the warming observed since the start of the industrial era. This attribution is clearest for the most recent 50 years, for which the most detailed data are available. Some other hypotheses departing from the consensus view have been suggested to explain most of the temperature increase. One such hypothesis proposes that warming may be the result of variations in solar activity.

None of the effects of forcing are instantaneous. The thermal inertia of the Earth’s oceans and slow responses of other indirect effects mean that the Earth’s current climate is not in equilibrium with the forcing imposed. Climate commitment studies indicate that even if greenhouse gases were stabilized at 2000 levels, a further warming of about 0.5 °C (0.9 °F) would still occur.The prediction of climate change due to human activities began with a prediction made by the Swedish chemist, Svante Arrhenius, in 1896. Arrhenius took note of the industrial revolution then getting underway and realized that the amount of carbon dioxide being released into the atmosphere was increasing. Moreover, he believed carbon dioxide concentrations would continue to increase as the world’s consumption of fossil fuels, particularly coal, increased ever more rapidly. His understanding of the role of carbon dioxide in heating Earth, even at that early date, led him to predict  that if atmospheric carbon dioxide doubled, Earth would become several degrees warmer. However, little attention was paid to what must have been seen to be a rather far-out prediction that had no apparent consequence for people living at that time.Arrhenius was referring to a potential modification of what we now call the greenhouse effect. Shortwave solar radiation can pass through the clear atmosphere relatively unimpeded, but longwave infrared radiation emitted by the warm surface of the Earth is absorbed partially and then re-emitted by a number of trace gases–particularly water vapor and carbon dioxide–in the cooler atmosphere above. Because, on average, the outgoing infrared radiation balances the incoming solar radiation, both the atmosphere and the surface will be warmer than they would be without the greenhouse gases. One should distinguish between the “natural” and a possible “enhanced” greenhouse effect. The natural greenhouse effect

causes the mean temperature of the Earth’s surface to be about 33 degrees C warmer than it would be if natural greenhouse gases were not present. This is fortunate for the natural greenhouse effect creates a climate inwhich life can thrive and man can live under relatively benign conditions. Otherwise, the Earth would be a very frigid and in hospitable place. On the other hand, an enhanced greenhouse effect refers to the possible raising of the mean temperature of the Earth’s surface above that occurring due to the natural greenhouse effect because of an increase in the concentrations of greenhouse gases due to human activities. Such a global warming would probably bring other, sometimes deleterious, changes in climate; for example, changes in precipitation, storm patterns, and the level of the oceans. The word “enhanced” is usually omitted, but it should not be forgotten in discussions of the green house effect.

The predicted effects of global warming on the environment and for human life are numerous and varied. It is generally difficult to attribute specific natural phenomena to long-term causes, but some effects of recent climate change may already be occurring. Raising sea levels, glacier retreat, Arctic shrinkage, and altered patterns of agriculture are cited as direct consequences, but predictions for secondary and regional effects include extreme weather events, an expansion of tropical diseases, changes in the timing of seasonal patterns in ecosystems, and drastic economic impact. Concerns have led to political activism advocating proposals to mitigate, eliminate, or adapt to it.Except to crash which resolute there are to crash which already straight we not a ware. We can see in television that in big city very much empty region but the region used to project.So region to plantis greentree very less tree which we to see to run very less even live style them more like to use carriage than to run away. This to make weather in environment them dirtied. So that event’s this to grow reason global warming.I think that all . Thank You.

Wabillahi taufik wal hidayah

Assalamu Alaikum Wr. Wb.