Air pollution - When harmful gases, smoke, or dust get into the_____ and make it dirty., Water Polution - When dirty or toxic substances get into rivers, lakes, or oceans and make the water unsafe., Soil pollution - When the ground becomes dirty or dangerous because of chemicals, garbage, or waste., Cattle overgrazing - When too many animals eat grass in the same area and damage the land., Climate change - A long-term change in Earth’s weather patterns, mostly caused by pollution and human activities. Burning fuel and cutting trees can make the Earth hotter and cause floods or droughts., Extinction of Rare Animals - When certain animals completely disappear from the Earth. Tigers and snow leopards are endangered because of hunting and habitat loss.,

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