安哥拉天使
Modern industrial society burning too much coal, oil and natural gas, a large number of exhaust emissions, the fuel combustion after release large amounts of carbon dioxide gas into the atmosphere caused by the greenhouse effect causes global warming. Because carbon dioxide has the function of heat absorption and heat insulation. With a lot of people cut down trees for greenhouse gas is absorbed by trees. North and south two polar ice melt, sea level rise, coastal areas will be flooded. The solution can be protect trees Cut use of fossil fuels and use clean energy
