In the northern part of the earth and on the upper slopes of all the mountains in the world, there is a unique biome called tundra. The tundra is one of the coldest and harshest biomes in the world. Winters are long and cold and summers are short and cool. The tundra is far from the equator; therefore, tundra soil is generally nutrient poor. Since the biome is covered in snow throughout the year, the arctic tundra does not appear to be a place where plants and animals can survive. However, plants and animals are able to survive thanks to their particular adaptations. In fact, it's not the cold that they fear; It’s us, humans. Today, the tundra faces many threats and problems due to human activity. One of the major problems is global warming. Global warming is the greatest challenge facing our planet. It is one of the most debated topics because global warming poses a threat to all living things on Earth. Animals and people in the Arctic are already experiencing this. The Earth's temperature has increased significantly over the past 50 years and today the ice caps are melting....