pollution Olympic open water swimmers and kayakers could miss out on future medals due to river pollution, warn campaigners The Clean Water Sports Alliance says, without drastic action, British waterways won't be safe enough for training or competition Labor Day leaves Colorado river polluted with painkillers and cocaine Revellers flock to the rivers for some tubing fun, but some sneaky peeing in the water reveals what they’ve been ingesting Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Apple Maps update promises enhanced navigation for a smoother hike2UTMB champ Vincent Bouillard reveals the GPS watch he wore for his runaway success (and no, it's not a Garmin)3I'm a seasoned hiker and mountaineer - here's how I update my hiking kit for fall4We love these Danner hiking boots for their support, comfort and traction – and they're 50% off right now5Montane Alpine 850 Nano Hoodie review: the new gold standard in ultralight down jackets?