A radical alternative...

hot frog

Tackling global warming

Put a frog in a pan of cold water and heat it up: the frog will just sit there and let itself be boiled alive. Put a frog in a pan of boiling water and it will jump to freedom.

Humanity is like the frog: we are heating up our planet (the only one we have) and just waiting to be boiled alive...

hot-frog aims to establish a new currency to get global greenhouse gas emissions under control without unduly restricting individual choice, by harnessing market forces.