What began as one man on an cleanup mission has grown into one of the US's most impactful river initiatives. Chad Pregracke scours the Mississippi waterways for debris and trash. As a teenager ...

This story appears in the June 2011 issue of National Geographic magazine ... as a top predator of the intertidal zone—tiger of the tide pool—though it lacks anything like a brain.

Read this story and more in the June 2018 issue of National Geographic magazine. In a world that can seem overwhelmed by potentially eternal plastic waste, are biodegradables the ultimate solution?

Drive across the ocean floor at low tide to Ministers Island to reach ... and kayak among otherworldly rock formations with National Geographic filmmaker and adventurer Bryan Smith on a five ...

National Archives, Paris Photograph by Bridgeman ... The humble farm girl turned the tide for the French in the closing years of the Hundred Years’ War. Her claims that the divine voices she ...

This story appears in the August 2009 issue of National Geographic magazine ... regular flooding caused by the complicity of rising tides and sinking foundations, but that is the least of its ...

when the Rising Tide Festival brings Maritime musicians inspired by the land into Fundy National Park; and June to September, when pleasant weather makes picnics and water play possible.

What greets us makes our knees go weak. As glacier-carved fjords drain with the ebb tide into Queen Charlotte Strait, the fury of released water gushes past Tremble Island at 14.5 knots (16.7 ...