Why tourists are being told to wipe their shoes before visiting the ‘world’s clearest lake’
Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.
New Zealand’s Blue Lake faces ecological threat: How tourists can help
New Zealand’s Blue Lake, the world’s clearest freshwater lake, is under threat from the invasive algae Lindavia, commonly ...
Tourists Told To Clean Their Shoes Before Entering 'World's Clearest Lake'
Tourists visiting Nelson Lakes National Park in New Zealand are now required to clean their shoes before entering Lake ...