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
The transition from hunter-gatherers to farming in ancient Portuguese societies is still a mystery.
Survey a variety of shark and ray species in Florida to help ensure the populations are protected from overexploitation and env