Every winter, in the United States alone, more than 15 million tons of salt are spread over roads to remove ice. So what are the effects of all this extra salt on wildlife? In this episode, Dr Gareth Hopkins describes how increased salinity affects freshwater newts, and debunks a common myth about ‘environmentally-friendly’ de-icers.

Read more about Gareth’s research here: https://garethrhopkins.com/