WORLD FEDERATION OF SCIENTISTS

WORLD MEDICAL HEALTH FOUNDATION

WYOMING STARGAZING

YALE UNIVERSITY

YESHIVA UNIVERSITY ALBERT EINSTEIN COLLEGE OF MEDICINE

YMCA - CHAPEL HILL-CARRBORO

YMCA OF GREATER NEW YORK

YORK UNIVERSITY

ZEPHYR EDUCATION FOUNDATION

TETON SCIENCE SCHOOL

TEXAS A&M UNIVERSITY

THE HARTSBROOK SCHOOL

THE SALVATION ARMY NATIONAL CAPITAL AREA COMMAND

THE WORLD ACADEMY OF SCIENCES

THINKING ANIMALS

TOLSTOY FOUNDATION

TREES NEW YORK

TRUST FOR PUBLIC LAND

TRUST FOR THE NATIONAL MALL

TUFTS UNIVERSITY