A lake is much more than a body of water where we bask on sunny summer days. It’s also more than just a source of fresh water surrounded with nature and tranquility. Lakes play a vital role in our ecosystems and in our daily lives. They provide drinking water, are home to an impressive diversity of life forms and support important economic activities. Our lakes: their secrets and challenges, is a series produced by La Conversation/The Conversation. This article is part of our series Our lakes: their secrets and challenges. This summer, The Conversation and La Conversation invite you to…