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When scientists scan the global horizon, over-fishing, loss of species habitat, water shortage, climate change, and invasive species seem to be the biggest threats to the Earth. What will our world be like in 2050? ffxi gil Population decrease and increase There are two features in the growth of world population. First, the annual increase in population in 15 European countries, in the past few years, has been only 300,000. The United Nations maple story mesos estimates that by 2050, the population of European countries will decrease from the current 0.72 billion to 0.63 billion. Second, the population in developing countries is growing rapidly. Over the past 50 years, the rate wow gold of increase in population has been fastest in the least developed countries. By 2050, the population of Africa is expected to reach 1.8 billion, 0.9 billion more than its current population. Global warming A recent research report indicates that it is quite possible that the Earth’s temperature is rising well above the previous estimate. Such an result would have severe consequences. wow gold A research team from the University of Colorado used satellite data to estimate that the ice sheet will lose up to 48 cubic miles by 2050. In comparison, a city with the size of Los Angeles uses one cubic mile of fresh water every year. Ice shelves in the Antarctic will have decreased by more than 7,200 square miles in the next four decades. ffxi gil Water shortage Africa’s rivers face dramatic change that will leave a quarter of the continent severely short of water by the middle of the century. aion gold “In those areas where there is already a water shortage, it’s going to have a devastating effect,” the study says. “If you’re already walking 5 km to the nearest stream to get water, by 2050, it’s going to mean walking 30 km or moving your whole household closer to the water source.” Four wheels good, four wheels bad The car has transformed the lives of people, but the planet is paying too high a price. Today there are 620 million private cars worldwide, to say nothing of buses, vans and lorries. With current growth trends, that number is expected to reach a staggering three billion cars worldwide by 2050. If we continue to burn fossil fuels at current rates, levels of carbon dioxide in the atmosphere will reach 550 ppm (parts per million) by around 2050. This will increase global temperatures between 1.4 and 4.8 by 2050, and sea levels will rise between 0.09 and 0.78 meters.

It’s summertime. For many Americans, this is the season to travel. Why? Oh! School is out and the weather is great. When Americans take a break, they often head for their favorite vacation spots. wow power leveling Throughout their history, Americans have been people on the move. The early immigrants had to travel to get to the New World. But they weren’t content to stay there. Explorers and traders journeyed to the unknown western areas. world of warcraft gold Later, settlers moved west to develop these new areas. As a result of this westward migration, Americans at last occupied the whole continent. Even today, Americans seem to keep moving. Research says that the average American moves every five years. world of warcraft gold Besides their habit of changing addresses, Americans are used to traveling. Some people go to work in long-distance places daily. Their jobs may even require them to take frequent business trips. Most companies provide an annual vacation for their employees, cd keysand people often use that time to travel. Some people just visit friends or relatives in distant states. Others go on low-budget weekend excursions and stay in economy motels. Those with more expensive tastes choose luxurious resorts and hotels. Aion gold Camping out in the great outdoors needs adventurous people. Some people travel in recreational vehicles to camp out in comfort, while others sleep in tents. Most Americans prefer to travel within their nation’s borders. Why? For one thing, it’s cheaper than traveling abroad. And there’s no language problem. Aion gold But besides that, the wide American areas offer lots of tourist attractions. Nature lovers can enjoy beaches, mountains, canyons, lakes and many natural wonders. Major cities offer visitors a lot of urban delights. The convenience of modern freeways, railways and airplanes makes travel in America as easy as pie. In America, people are on the move. Almost everybody is a tourist sometime.

I feel so happy to have the chance to make a speech. The title of my speech is Protect the Environment, Protect Ourselves. I hope you will like it. wow gold Everybody knows waste paper and used coke cans are discarded everywhere. You might have seen plastic bags flying in the sky and getting caught in the trees when the wind blows or maybe you have seen old cans floating in the rivers and polluting the water. World of warcraft gold There is a story about house and trees. It is said that a man’s house was surrounded by a lot of trees. Though the wind was strong, that man could have a good rest under the trees. How comfortable the life was! World of warcraft Power Leveling One day, that man wanted to enlarge his house, so he cut down all the trees. Then the autumn came without the protection. The strong wind blew the roof of the house into the sky. The whole house was gone with the wind. What a pity! But that’s the price people have to pay for destroying in the ecology balance. People shouldn’t be short-sighted. Protecting the environment is everyone’s task. cd keys As you know, there are four kinds of pollution. They are air pollution, water pollution, waste pollution and noise pollution. But what can we do to solve the pollution? I think, firstly, we can make cars that don’t pollute the environment. In some big cities, we can limit the number of cars. Runes of Magic gold Secondly, we can try to use less water and make sure that we do not pollute the water. We can tell factories that they are not allowed to pour waste water into the lakes and rivers. Thirdly, LOTRO Gold we should not throw rubbish in parks and cities. We can pick up rubbish if we see it. We can put more rubbish bins in our parks and cities. Fourthly, we can live far from the noise and make the laws to limit the noise. The air, water and the whole atmosphere directly influenced our lives, such as the air, people may cough and it will lead to cancer. So we must try our best to keep the world clean and tidy. To reach it, I want to put forward three points to everybody---Point 1: don’t spit and liter; Point 2: don’t draw on the wall; Point 3: clean the streets every day. In order to make the environment clean, let’s join our hands together to make the world better.

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