How could climate change affect people worldwide?

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If greenhouse gas emissions keep rising at the current rate, scientists predict a global temperature rise of 2–6 °C by 2100. A warmer world will lead to other changes in the climate, including changing rainfall patterns, melting ice, rising sea level, faster evaporation and more frequent heat waves. These could affect food supplies, water resources, health, homes and other infrastructure worldwide. Although the details of impacts in any specific region are uncertain, understanding the risks can help governments prepare for changes – and provide people around the world with an opportunity to make their homes, food and water supplies more resilient.