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seases. When it comes to agriculture, the outlook is not so optimistic either. On one hand, severe heat is unfavorable for the germination and growth of seeds; on the other hand, devastating floods and droughts caused by freak weather will lead to poor farming, and America's corn belt is just the epitome.

4. Responses to global warming
Some experts predict that if measures are not taken, the planet is likely to get irreversible warming. Thus, rather than arguing whether human activity is altering climate, the discussion is now turning to what steps society can take to protect the climate (Capturing Greenhouse Gases 2000;9). As a result, a lot of projects from different angles have been put forward to restrict this unhealthy trend.

4.1. International collaboration
 Globalization makes it possible that climate change receives much attention from the international community(Climate Change: The Political Economy of Kyoto Flexible 2010:3). A series of international treaties have been established sun as United Nations Framework Convention and Kyoto Protocol to mitigate this process. Despite the existence of disputes in this issue, it's encouraging that many countries appeal to a low-carbon and environment-friendly development model. For instance, UK promises a 60% cardon dioxide cut emission by 2050, as recommended by the RCEP, with real process by 2020. Indeed, the global problem requires global efforts, and every country is globally-accepted rules and standards.
4.2 Macro-control and micro-involvement
There is a misconception that climate change is a threat that matters mainly to the government. In fact, it matters everyone. In real life, the government carries out macro-policies and the public is expected to involve positively. A specific example is cited here --- as is known to all, exhaust gases from cars contain a lot of greenhouse gases. How to control the pollution? The government can put higher taces on petrol, aiming to discourage the use of cars; while people should choose alternative methods of transport such as cheaper and more convenient trains and bus services. In a word, official and civil fulfill their proper function effectively and efficiently.

4.3. New scientific paths
 Developing new energy sources is promising. There seems no credible path to stabilizing, much reducing global carbon emissions without nuclear power (From nuclear to renewable: Energy system transformation and public attitudes, 2012:8). The earth is a planet of 7 billion people, heading towards 10 billion. Even with better energy efficiency, global energy demand will soon double, perhaps triple. Renewable energy, another reliable alternative which includes wind power, tidal energy and solar energy, is any source of energy that can be used without depleting its reserves (Solar Power: The future's bright 2007:10). People pay much attention because they are inexhaustible, safe and clear.
Furthermore, some professors propose a bold plan that sequestering carbon dioxide underground or in the deep ocean should help keep the greenhouse gas out of the atmosphere where it now contributes to climate change. The various options must be scrutinized for cost, safety and potential environmental effects. Not impossible, this assumption may come true some day.

5. Conclusion
The global warming effect has sounded alarm bells本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。