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Humanity's effects on the global environment have grown more and more significant since becoming the dominant species on Earth.Many scientists and environmental groups believe that the most significant environmental issues today result from burning fossil fuels for energy, leading to land and water pollution, ecosystem damage and importantly, climate change.
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Human activities affect environment as;-
1. human release harmful pollutants in the air by overusing factories, vehicles etc. causing air pollution
2. they discharge wastes, wash animals and clothes in water causing water pollution.
3. humans cut down trees for their uses, thus disturbing the balance of oxygen as trees release oxygen.
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