In the heart of Mexico City, a lone kayaker glides through ancient canals.<br />Omar Menchaca, 63, is a former mining engineer turned environmental advocate.<br />For over three decades, he’s paddled through Xochimilco, collecting trash and raising awareness.<br />A UNESCO World Heritage site, Xochimilco is known for its Aztec-era canals and floating gardens.<br />But pollution and urban expansion now threaten this fragile ecosystem.<br />Despite a city-wide plastic ban, bottles and bags still choke the canals.<br />Menchaca says the wetlands are critical for recharging the aquifers that supply drinking water to millions.<br /><br />#Mexico #environment #canals #Aztec #UNESCO <br />
