Climate change expert Professor Will Steffen writes about how climate change will impact on our children and grandchildren, his hopes and fears for the future, and why the time for action is right now.

Everyparent wants what’s best for their children. To make a better life for them, protect them and ensure their welfare in every way possible. I think this is innate in us all – to want to do all that you can to leave the world a better place for them to live in.