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 4 of 4 matches
The transition from hunter-gatherers to farming in ancient Portuguese societies is still a mystery.
Climb aboard a motorboat and sail a tropical “inner sea” in search of endangered dolphins and whales in Costa Rica.
How can we keep shark and ray populations strong? Find answers while exploring some of the world’s most beautiful reefs.