The process...

The earth inside a plastic bag, that show suffocating..i make circle and colour it with the gradient colour of red and orange. then i transform it and make a copy of it. the second circle, i make it bigger and make it transparence. then i used warp told on top of it to make it look like a plastic bag. after it is done i put it on top of the earth...

However, i don't think it show suffocate. Therefore I trace a picture of a suffocation and put it inside the plastic bag.. i make the tracing transparence using the darken...

To make it more dramatic, I make an effects that shows warming. The warming somehow getting closer and closer to the earth... i paint a gradient colour of red and orange in a rectangle box.. then i used the warp tool to make the effects..

The final touch, putting the caption, which is "Help the earth.. it's Suffocating!!!"