Your tax-deductible membership is vital for us to continue our mission of providing leadership in education, research and the responsible use of natural resources in the tropics. Specifically, your membership directly impacts the global environment by:

1) ensuring that the world has trained leaders in universities, research institutions, government and non-profit environmental organizations

2) supporting research in tropical ecosystems (home to nearly 70% of the earth's biodiversity) that is increasing our knowledge of sustainability and the global environment

3) helping to conserve and the protect more than 100,000 hectares of tropically diverse ecosystems (lowland rainforest, dry forest, and mid-elevational cloud forest) that surround the OTS biological stations in Costa Rica.

PLEASE JOIN US

Online giving:
Your support will have a direct impact on the global environment
By phone:
Call our office to join by credit card
North American Office	(919) 684-5774
Costa Rican Office	(506) 524-0607
By mail or fax
Dowload the form, fill out and mail / fax to:	Membership Form
North American Office Fax: (919) 684-5661 Phone: (919) 684-5774	Organization for Tropical Studies Box 90632 Durham, North Carolina 27708-0632
Costa Rican Office Fax: (506) 524-0607 Phone: (506) 524-0608	Organization for Tropical Studies Apartado 676-2050 San Pedro, Costa Rica
Matching Gifts :
Double, or even triple, your membership to OTS by having your employer match your membership donation! All OTS memberships are eligible for matching gifts via Duke University. Check out this site to find out if your employer matches: http://www.matchinggifts.com/duke and enter your company name in the box provided. Send us your matching form along with your membership made out to "OTS/Duke"

Please download the donation form from the above link. This form can be opened with Acrobat Reader, if you do not have Acrobat Reader please click on the link below to download it