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
Climb aboard a motorboat and sail a tropical “inner sea” in search of endangered dolphins and whales in Costa Rica.
How much can the humble caterpillar tell us about the world we live in? More than you might imagine.