Blog Project – Task 7

There are a lot of problems in the world like wars, diseases and economical disasters. The biggest crisis of them all is global warming. In the following, I am going to view some of the causes and show why the climate is changing and then I will point out some solutions that can be done to reduce this problem. Finally, I will provide my point of view on how to make a green world.

Solar energy reaches the earth’s atmosphere and 50% of radiation that comes from the sun reflects to space ( Earth systems: processes and issues , ByErnst, Wallace G.). The rest comes in our earth surface, 30% of the sunlight to keep us warm. The 20% of radioactivity that comes from the sun should reflect again to the space but the greenhouse gases lock the way out for this dangerous radioactivity. As long as we use our technology the greenhouse gases percentage will increase and more harmful radiation will make the weather hotter. We are in very sensitive situation; the whole weather is changing and the ice in the Arctic poles is melting; this will make a serious problem in increasing sea level; the scientists expect “in 2100 the sea level will be 10.5-21 in (27-50 cm) higher than today”.(Freedman, Bill)

There are some solutions which could help us to save our planet from the global warming. Clean energy is one of the most important solutions. We should use the renewable energy that has zero carbon emissions like solar, wind, and others. We should start to build our cities with the solar panels and wind turbines. Yet another solution is that we must create new laws that force all businesses to stop buying or selling carbon emissions stuff in the world market. In the U.S.A they have started this idea in California.(California. Global Warming Solutions Act). Anybody breaking this law should face the judge and take the punishment. We should create a lot of awareness in the public so they could understand our problem and act positively. The media are the main target to start self awareness for the public.

Finally, people around the world should start to act seriously because we don’t have another place to go. The earth is our home and we should protect it from all risks. I hope in the future greenhouse gases problem will be easy to solve with the new technology that we will invent.



Bibliography

1- Freedman, Bill. "Greenhouse effect." Gale Encyclopedia of Science. Ed. K. Lee Lerner and Brenda Wilmoth Lerner. 4th ed. Detroit: Gale Group, 2008. Student Resource Center - Gold. Gale. Higher Colleges of Technology. 17 May. 2009 .


2-"The vote heard round the world: California enacts the toughest global warming law in all the land.(California. Global Warming Solutions Act)." OnEarth. 28. 4 (Wntr 2007): 42(2). Student Resource Center - Gold. Gale. Higher Colleges of Technology. 17 May. 2009 .

3- Ernst, Wallace G. Earth systems: processes and issues. Cambridge UP, 2000.( http://books.google.ae/books?id=JMI6AAAAIAAJ).

Cool Cities

The main problem is that modern cities have many sources of carbon that causes pollution like cars and factories and burning oil to create electricity. Most carbon comes from building and transportation (The National) and that makes the city more hot and dirty and that makes the life hard in this city.

There are many solutions but the main solution comes from one of a construction company and its name is SDCJ from Japan .There are many types of transportation that are used in cool city. Some of these types are hybrid cars and solar ships. Also there are many zones in cool city; some of these zones are business, commercial/cultural and residential. Because of the heat there are many techniques to keep it cool and one of these techniques is underground canals and directing the wind to keep it cool and these buildings can reduce Co2 by 80%. And the reduction of energy in cool city is 60%.

I think that this is a good invention and this will help people to live in a clean city without carbon and diseases and if all cites in the earth do it the earth will be cooler to live in. I hope that other countries will follow our country.