What global warming means.

What global warming means.
Means the average air temperature increase on Earth. Whether the air near the surface. Or water in the ocean during the past 100 years the average global temperature of the random 0.71 -0.18 degrees Celsius
Cause global warming.
Because greenhouse gases are caused by various human activities increased rapidly As well as the forest is cut down and destroyed much Making does not contain enough Purifier. Thus, these greenhouse gases up together on the Earth's atmosphere as dense Heat from the sun that used to be reflected back out of the world is being accumulated in the world too. And it causes the global temperature increase

The impact of global warming that will occur often with the weather changing from the original. More severe natural disasters, flooding, earthquake, severe storm. Unusually hot weather until someone died. Including outbreaks of new diseases or disease had disappeared from this world and then went back to see new And disease vectors that have increased. Expected future impacts of climate change will have more.