GLOBAL WARMUNG / Illustration

The ice have being melted because the concentration of carbon dioxide has rosen higher and higher and the global warming is getting worse and worse .The polar bear with a swim ring shows that the ice in Arctic have being disappeared fleetly.
The second poster :
The polar bear floats to Antarctic to ask penguin help.
The third poster :
Both of them wear swim rings to ask someone to help. The story shows everyone how serious global warming is .