Tuesday, January 12, 2010

ADMT Lesson 1 Environment- Ho Yan Jin


Will human beings' selfish acts bring about the Earth's doom?

I think it is only a matter of time before we cause the earth's doom if we continue burning fossil fuels, cutting down trees and so on.

What we can we do to save the Earth?

  • We can conserve energy and resources. Conserve energy by switching off power sources when not in use. Conserve resources by not wasting them.

  • We can put the 3 Rs to use. Firstly, we can reduce our rate of burning fossil fuels, polluting the environment and deforestation. Secondly, we can reuse materials and things that we have used before. Like example, we can reuse plastic bags. Lastly, we can recycle plastic bottles, glass bottles and papers. We can drop the recyclable materials at the recycling point.

  • We can innovate for the Earth. It means think of solutions to help the Earth and not lead it to its doom. There are ideas brained stormed by scientists all over the world. The ideas are called Geo-engineering. It involves attempting to cool the climate through planetary-scale actions like blocking sunlight by stationing mirrors in space. Others include seeding the seas with iron to bring the planktons from the seabed to the surface as they can absorb more greenhouse gases, and injecting sulfur into the upper atmosphere to create sunlight-deflecting clouds. But as effective as they sound, they are currently under science-fiction and encounter many setbacks. Even though it is within human means, the cost of building the required things may put the world into bankruptcy.

information of point 3 and the picture are adopted from:http://www.time.com/time/specials/2007/top10/article/0,30583,1686204_1686252_1690226,00.html

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