'Switch to renewable energy' poster

It's that time of year when we have covered all we need for exams and I spend a lot of time discussing climate change - a subject that features in all four sciences and one in which I have a personal interest.

This poster was inspired by results of a physics task - to create a poster encouraging use of renewable energy, showing knowledge of energy sources, types, transfers and efficiency. Alex and Violante came up with a juxtaposition that I really liked, so I made it in Photoshop: