Pinterest • The world’s catalog of ideas

Earthwatch Institute is the world’s largest environmental volunteer non-profit organization. Its mission is to engage people worldwide in scientific field research and education to promote the understanding and action necessary for a sustainable environment.

THE BUMBLEBEE BAT - the incredible bumblebee bat is the SMALLEST mammal in the world, weighing about the weight of a penny. It is listed in the TOP 12 MOST endangered list.

Reefs to Rockies is committed to the principles of sustainable and responsible tourism and believe it is their duty to consider the impacts their itineraries have on the environment, wildlife, and local communities.

The first women ever tenured in the physics departments of Princeton, MIT, and Harvard, Lisa Randall is hard at work in the areas of particle physics and cosmology, part of a journey to determine the makeup of the universe. In 2004 she held the distinction of being the most cited theoretical physicist of the past five years. She continues to do ground-breaking research in particle physics and cosmology, and currently serves on the editorial boards of several theoretical physics journals.