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In the article “Climate change may bring big ecosystem changes” by Alan Buis, researchers from NASA's Jet Propulsion Laboratory, informs us that global climate change will be a big issue for the earth's plants. They will experience dramatic modifications caused by the human's high production of greenhouse gases. According to a new NASA and university computer modeling study, in the next three centuries the increase in ecological change and stress in the earth's biosphere, will cause many animal and plant species to face competition for survival.

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In the article “Loss of Bees Bad for Plants” by Chris Palmer published from The Scientist. The author writes about the horrible consequences of the loss of bees on the plants and the ecosystem in general. Bees have a “a monogamous relationship between pollinators and plants, ensuring that plants receive pollen from their own species.” (Palmer, 2013).  Therefore, one of the consequences is that because of low pollination, plants can’t reproduce, spread and grow. In addition, this can prevent some of the production of foods such as honey in which it depends on pollination.

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This article tackles what the predictions of the future concerning overpopulation and the sharing of the planet in the future. Data has estimated that the human population count will be of 9.8 billion people when we reach the year 2050. We are foreseeing the European continent to diminish in number only by a few millions, indicating no growth whatsoever in the next 30 years. Yet, we expect the African continent to have their population multiplied by 2.6 by the same time, the Asian continent to rise with 750 million new members and 200 million more in America.

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In the article “Population and the energy problem” by John Holdren talks about the problems relating energy to world population. The argument that Holdron is trying to make is that one “monetary costs of energy are rising” (Holdren, 1991), two “much of the world's population has too little energy to meet basic human needs” (Holdren, 1991) and three environmental impacts on the planet.

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