Thursday, January 29, 2009

An inconvenient truth

"You look at that river gently flowing by. You notice the leaves rustling with the wind. You hear the birds; you hear the tree frogs. In the distance you hear a cow. You feel the grass. The mud gives a little bit on the river bank. It’s quiet; it’s peaceful. And all of a sudden, it’s a gear shift inside you. And it’s like taking a deep breath and going... Oh yeah, I forgot about this."

—Al Gore in the opening monologue of An Inconvenient Truth


The movie ‘An Inconvenient Truth’, presented by former United States Vice President Al Gore, shown us the planetary emergency of global warming. It causes many serious facts that influence our human life now. The sea level keeps on increasing due to the melting of the ice in two poles of the earth. 40% of people in the world get their drinking water from rivers and spring systems that are fed more than half by the melt water coming off the glaciers. Due to the fast melting speed, we will face the world-wide water shortage soon. Besides, global warming not only increases precipitation worldwide, but it also relocates the precipitation, paradoxically causes not only more flooding at some places, but also more drought at other places. Much more than these, global warming is seriously threatening our human being.

To reduce the problem of global warming, governments are playing the most important role in global warming today. Global Warming is not just national problem, it is a global problem. As we know, the greenhouse gases thicken the layer of atmosphere, so that more of the outgoing infrared reflected of the sun is trapped, and the atmosphere heats up worldwide. There are policies enacted by many countries in order to control the emission of greenhouse gas.

In China, the government published "Reply to Climate Change in China" in 2007, which made clear by the year 2010 in response to climate change targets, priority areas and policies. To reduce the emission of greenhouse gases, the government developed much new energy like hydropower, nuclear power, wind energy and methane. From 2000 to 2008, China's wind power capacity increased from 340,000 kilowatts to 10,000,000 kilowatts; hydropower capacity also raised from 7,935,000 kilowatts to 163,000,000 kilowatts. Another strategy is trying to achieve an efficient use of the traditional resources. From 2000 to 2008, the government eliminated 46.59 million tons of outdated iron smelting and 37.47 million tons of steel production capacities in order to save energy. Besides, the natural forests are extremely protected to enhance the capacity of absorbing greenhouse gases. By 2008, the coverage area of forests in China has increases 4.29% comparing with 8 years before.

Nowadays in China, the total consumption of resources keeps decreasing year by year. And more and more citizens realize the serious of environment protection also. On the 11th of December, 1997, countries from around the world gathered in Kyoto, Japan and the Protocol was negotiated. If the agreed levels are reached, greenhouse gas emissions will be reduced to a level of at least 5% below the 1990 levels in the commitment period of 2008 to 2012. Although there was not specific requirements of greenhouse gases emission for developing countries, as a family member of the whole world, we have the duty to take care of the earth for ourselves and for our later generations.
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Monday, January 19, 2009

Keep ‘engineering’ in progress

The traditional scope of engineers has been broadened. Nowadays, Engineering is no longer just means building high buildings or repairing the water pipes, but contributing in every sector of society. No one doubts that, systematical, critical and innovative thinking are the requirements to become an engineer. Thanks to the improved education of engineering comparing with before, the engineering graduates become more creative, brave for the new technologies, calm and professional when facing to the complex situations. Besides, to become more practical and keep themselves ‘fresh’, engineers are always concentrating on the latest problems rising from other area of the modern society, not only focusing on the traditional.

The abilities of thinking systematically and critical start to be trained when students study in the university. By the large number of practice in solving mathematics, physics or chemical, students are required to be more systematical, logical and comprehensive. By a plenty of software practices and scenario analysis, the theories are more visible and practical. Day by day, an engineering characteristic is formed: Calmly analyze the problem, divide the whole problem into pieces and find out the root, get solutions and integrate them, and finally implement and improve the solution.

As the definition of ‘engineering’ becomes wider, more people are working in non-traditional engineering field. Although they may doing the job unrelated with their major in the college, people still can handle it because engineering thinking are widely applied beyond engineering area. This application also brings back more creative ideas and feedback to the engineers, so that engineering thinking will be continuously implemented and expanded.

In today’s world, it is necessary to improve our view of engineering spirit. Not only thinking theoretically, systematically and logically, but also be more passive, motivated and flexible. It is another powerful hand to help engineers keep developing in future.

Sunday, January 18, 2009

About this blog

Theoretically it is used for academic writing of EG1471, but hopefully I will insist on writing…