Climate change is melting our glaciers at an alarming rate, dramatically changing landscapes. That might suggest visitors to popular glacier sites would leave with better environmental intentions. Paul visits the Rhône Glacier in Switzerland and discovers not everyone is making the connection. Does our adversity to ambiguity help us avoid connecting glacial melting with our personal lifestyle?

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Why do we carry on producing large carbon emissions when we know these are damaging the lives of others? Paul explores this question in the context of the university student community – where mobile young people whose flights contribute to climate change are studying alongside those experiencing its devastating effects. Can this paradox be explained by the so-called “bystander” effect?

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As our planet warms, species are migrating to new regions where they can cause damage to the local ecology. How we respond to the arrival of these non-native species may shape our future ecology, with implications for food supplies and human health. In this episode, Paul meets Dr Tanja Straka who has been studying differences in how people react to these new arrivals and revealed some intriguing biases with implications for our future. He also goes "balsam bashing" with local volunteers who are taking matters into their own hands.

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