Over half of young people think that humanity is doomed, according to a new climate change survey. Since I was born just over 50 years ago, global surface temperatures have risen faster than in any other 50-year period over the past 2,000 years. Clearly, my generation has a lot to answer for. What is one to do in the face of such dire challenges? For business, the message from employees, customers and their other stakeholders is clear: do something.