Global warming has caused the extinction of some animals, forest fires, and has also greatly affected our plants. Global warming is not just one thing, but encompasses many different events that have to do with the planet. Global warming includes; climate change, droughts, floods, storms, tornadoes and changes in atmospheric temperature. As global warming increases, so do the things, places and people it affects. Weather and climate changes caused by global warming affect humans in more ways than we think. Many people do not see these increases in global warming as harmful. Global warming increases smog pollution in some areas and worsens asthma and pollen allergies. Climate change, such as warmer weather, also increases droughts in some areas, interrupting the decline in agricultural production. Rising temperatures also allow disease-carrying mosquitoes to spread and survive in previously inhospitable places.