Advanced Placement Environmental Science (AP Environmental Science or APES) is a course offered by the College Board as part of the Advanced Placement Program to high school students interested in the environmental and natural sciences. This course is designed to provide students with scientific principles, concepts, and methodologies necessary to comprehend the relationships abundant within the natural world, to identify and analyze environmental problems, to evaluate relative risks associated with these identified problems, and to examine alternative solutions for resolving and/or preventing similar problems facing the global environment.

• An ape is a member of the Hominoidea superfamily of primates.

Ape or APE may also refer to:

• Ape, Inc., video game development company
• Ape, Latvia, a town in Latvia, northwest of Alūksne
• A*P*E, a 1976 film
• APE tag, a tag format used to add metadata to digital audio files
• Piaggio Ape, a small Italian tricycle pickup-truck
• a pseudonym of Carlo Pellegrini
• .ape, a common filename extension used by Monkey's Audio, an audio codec

Apes are the members of the Hominoidea superfamily of primates, which includes humans. Under the current classification system there are two families of hominoids:

• the family Hylobatidae consists of 4 genera and 13 species of gibbons, including the Lar Gibbon and the Siamang, collectively known as the "lesser apes"
• the family Hominidae consisting of orangutans, gorillas, chimpanzees, and humans, collectively known as the "great apes".