Moreover, the Global Warming also affects the climate to be varied. There are more cyclones which are more harmful and often. The weather is hotter or colder than usual. The higher temperature on the earth has caused the dry weather, flood, and cyclones which are more harmful and often. The farm products are decreasing and the rich natural resources have been destroying by the changing ecologies. Food is more rare and expensive. The hotter world has caused the harmful environment to people but good for many diseases. So, the diseases and epidemics such as malaria, cholera, dengue fever, and food poisoning, etc would happen.