Researching the impact of climate change on Iceland is the focus of a 137-mile trek across the country by explorers from The Changing Earth. Team leader Aaron Doering explains what the team is learning and how they are educating local residents on Lunch Break with Tanya Rivero. Photo: The Changing Earth Subscribe to the WSJ channel here: bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: www.wsj.com Follow WSJ on Facebook: www.facebook.com/wsjvideo Follow WSJ on Google+: plus.google.com/+wsj/posts Follow WSJ on Twitter: twitter.com/WSJvideo Follow WSJ on Instagram: instagram.com/wsj Follow WSJ on Pinterest: www.pinterest.com/wsj/