Living Planet: How much is too much?
Living Planet: How much is too much?  
Podcast: Living Planet
Published On: Thu Apr 25 2019
Description: Just how many visitors are too many? The Greek island of Santorini struggles with tourism numbers it can't handle. How long until rising sea levels have completely destroyed Kenya's historic sites along its coast? And how hot is too hot? Glaciers in New Zealand have receded so much it's actually become too dangerous to hike all the way to the top.