The world is divided into different climate zones based on similar weather patterns. The weather patterns in a climate zone affect the types of vegetation and animals found there. For example, roses could never survive at the South Pole, which has an icecap climate. It is too cold there. Penguins could never survive in a region with arid climate. It is very dry there with very hot summers. As a result, places that have similar climates also have similar types of vegetation and animals.
People worry that human activity may be changing the global climate, which could cause big problems. The temperature differences between summer and winter may become more extreme for some places. Animals and vegetation may become extinct. Keeping track of climates is important work.