Changes of climate. Because global warming is a very serious matter. And humans can not live, because bacteria grow faster in areas with high temperatures.
Climate change due to global warming is a very serious matter, and makes human beings cannot exist because the germs to grow more quickly in areas where there is high temperature.
The change of climate because global warming is a more serious matter, and human beings are not able to, because germs will grow faster in areas where there is high temperature