Lugha ya kimaumbile: Kiingereza
The Earth is warmed naturally by gases in the atmosphere trapping heat from the Sun. The Earth's climate has changed considerably in the past.
-An increase in global temperature could lead to major problems for mankind;
-Sea levels could rise, flooding low-lying coasts;
-Different weather patterns could affect agriculture and food production;
-and forced migrations of people could affect peace and international security.