It’s up to each of us to help save life on Earth – I love this challenge | Bob Brown

Taking action against species extinction can be risky but it’s better than surrenderExplore the series – Last chance: the extinction crisis being ignored this electionGet Guardian Australia environment editor Adam Morton’s Clear Air column as an emailExtinction. In 1844 Ketill Ketilsson won the race to grab the last pair of great auks. They were nesting on Iceland’s Eldey Island. Millions of these penguin-like birds had been slaughtered for feather-stuffed quilts to keep