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PENNSYLVANIA, USA — The difference between a tourist and a traveler is getting to know a culture, according to Karen Gershowitz, writer and travel addict. Since boarding a plane to Europe when she was 17, Gershowitz has visited over 90 countries and "gained friends.

Thousands of migrants – of whom, many are children – suffer from deadly heat conditions at the US-Mexico border. As the effects of climate change worsen day by day, extreme weather conditions are causing a high risk of dehydration and death amongst migrants who try to enter the States.

In this interview, correspondent Polly Nash talks to fire fighter Cami Schafer about one of the many frightening effects of climate change; the ever-growing threat of wildfires around the world. Last year California was hit by the Dixie Fire, the largest single forest fire in the state’s history.