Travel the World. Make a Difference.

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.

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A humpback whale (Megaptera novaeangliae) in Costa Rica
Ocean Health
Easy
Easy
Marine Life Conservation in Costa Rica

Climb aboard a motorboat and sail a tropical “inner sea” in search of threatened dolphins and whales in Costa Rica.

North America & Central America : Golfo Dulce, Costa Rica
Lead Scientist
Lenin E. Oviedo Correa, Ph.D.
Duration
9 days (avg. $344 a day)
Starting at $3,100
Expedition Details
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CUSTOM EXPEDITIONS FOR GROUPS & CORPORATE PARTNERS

CUSTOM EXPEDITIONS FOR GROUPS

Explore the world together. Our expert staff can coordinate a meaningful experience for school groups, corporate employees, alumni associations, community groups, or other affiliations.

Learn more about group expeditions

Be more than a tourist

Working with and learning from Dave Oleyar is a delight. This was my third time volunteering for his expeditions. It is a good mix of work information gathering and habitat locations.

2024 Earthwatch Participant — Following Forest Owls in the Western U.S.

Our Research Focus

Preserve and restore forests, assess and mitigate the impacts of a changing climate, and conserve biodiversity.

Terrestrial Ecosystems

Preserve and restore forests, assess and mitigate the impacts of a changing climate, and conserve biodiversity. 

More about Terrestrial Ecosystems

Take action to protect marine habitats, conserve biodiversity, and promote sustainable livelihoods.

Ocean Ecosystems

Take action to protect marine habitats, conserve biodiversity, and promote sustainable livelihoods.

More about Ocean Ecosystems

Collect essential environmental data to promote urban resiliency while helping to influence positive change.

Sustainable Cities and Communities

Collect essential environmental data to promote urban resiliency while helping to influence positive change.

More about Sustainable Cities and Communities