Symbol global warming

First sketch.
This is my first sketch on my symbol of global warming..
i uses the ice to show the ice is now melting for the causes of global warming by heating up the temperature in the earth. the round shape symbolise to ozone layer.

Second sketch.

The round shape symbolized to the ozone layer of earth.

The sketch flaming fire symbolized the sun heating up the temperature of earth.



Third sketch.

The combination of ice and sun through ozone layer and the arrow stands for the movement of cfc effects of thickness of ozone layer.

First drawing in illustration. I use pen tool to shape it.

I use the paint tool to color the orange, red of sun to tells it heating up the temperature of earth.

Then, i put some blue color to represent the sea

New color blue at the bottom of ice to show the ice were melting.

The ice cube aslo blue for the transformed of the color of sea water

Black arrow for showing the movement of cfc form ozone layer and to the melting of ice cube

Lastly, here's my symbol for the global warming.