The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated mission of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsibility, and supporting scientific education and science outreach for the betterment of all humanity.

Ansel Adams (1902-1984) was an American photographer and environmentalist renowned for his black and white landscape photographs of the American West.

The California condor is a large, critically endangered species of bird that is found in North America.

An earthquake is a natural occurrence that involves the shaking and trembling of the Earth's surface.

Harvey Milk Day is organized by the Harvey Milk Foundation and celebrated each year on May 22 in memory of Harvey Milk, a gay rights activist who was assassinated in 1978.

Horticulture is the science and art of cultivating plants for food, medicinal purposes, ornamental use, and other practical uses.

Jet Propulsion Laboratory (JPL) is a federally funded research and development center located in Pasadena, California.

The National Geographic Society is a renowned scientific and educational organization known for its commitment to exploring the planet's natural and cultural wonders and conserving them for future generations.