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.
Help scientists understand why giant manta rays gather off the shores of northern Peru in order to strengthen protections for t