Scientist cleans visitors' shoes to keep plant invaders from taking root on Arctic isle
(NEWSER) - Global warming could make it easier for non-native plants to take root on the Arctic's Svalbard archipelago, but one researcher is fighting the problem on the ground level, Der Spiegel reports. Chris Ware has set up shop at Longyearbyen’s airport, where he cleans arriving passengers' shoes. "Dirt almost always contains seeds," he said. "Sometimes it is one, sometimes it is 30 or 40." More»
