Why have Pacific leatherback sea turtles almost disappeared? Look for answers and solutions on Costa Rica’s beaches.
Earthwatch expeditions pair researchers with volunteers to address some of the world’s most pressing environmental challenges. Explore our current expeditions to discover how you can make a difference.Showing 3 of 3 matches
Help scientists understand why giant manta rays gather off the shores of northern Peru in order to strengthen protections for t
What does climate change mean for one of America’s most extraordinary national parks?