the most important problem in the world

Topics: Global warming, Carbon dioxide, Climate change Pages: 3 (764 words) Published: April 15, 2014
The Most Important Problems in Today's World

There are many problems facing the world in today such as a nuclear weapon, a conflict of Middle East area, starvation in Africa and so on. Of course, above problems are also serious but I think that the most serious problem facing the world is an environmental problem and to be specific, I'd say a global warming. Albert Gore states “Global warming will be the greatest environmental challenge in the 21st century.” So what is The global warming? why did Albert Gore states like this? And do we have a solution about this problem? Global warming is a rising average temperature of Earth's atmosphere and ocean in long term. Global warming is already known as the greenhouse gases, which are emitted by a human activity, such as urbanization and industrialization. Moreover, August 03, 2009 Sky News announce that a warmer sun could increase global temperatures over the next five years by more than scientists previously predicted. According to the Gareth Fones(Met office, 2009), “Human activities and carbon dioxide emissions will cause warming, but there will also be other factors over short-time scales.” Therefore, Global warming is progressing from human activities as well as natural factors. The harmful effects of global warming on daily life are showing up around the world. These problems include increased rainfall and flooding in some regions and increased drought in others. It is a very serious problem in human being and animal habitats. To make matters worse, according to Dr. Neville Nicholls of Geography Science at Monash University, green house gases stay can stay in the atmosphere for an amount of years ranging from decades to hundreds and thousands of years. It means no matter what we do, global warming is going to have some effects on Earth. Here are key factors affected by increasing of temperature. First, polar ice caps melt. There are 5,773,000 cubic miles of water in ice caps, glaciers,...
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