Higher global temperatures that result in optimal conditions because of the bacteria, which in the future will be those who are infected and become ill more. For example, it might be dengue outbreak in the future. The disease is caused by chemicals and pollutants that humans must face in their daily lives. Food is more expensive make people get enough nutrients and unhealthy body Some areas, shortages of food and drinking water is enormous, and get help from other countries. Disasters that make life more difficult. Such as flooding, causing contamination of the impurities in our water consumption. Food was hard to find and expensive.