Meaning of my illustration

As the ice caps started to melts due to the overheating on the earth and also action from the wind and waves it created iceberg. That is why I create an iceberg as my design illustration. The illustration that I create is to show the effects of icecaps melting that cause to create iceberg which also cause the rise of water level or even draught to xthe earth due to the overheating on the earth. As for the color, I choose blue to show the water from the melting of iceberg. The navy blue is to show the sky during the night. For the iceberg and cloud I choose white color and the grey color is to show the shadow.