The American Geosciences Institute is pleased to announce that it has released its award-winning Faces of Earth series on YouTube in full High Definition. Delve into the Faces of Earth and rediscover the wonders behind our dynamic planet. From the resounding cacophony that bore Earth 4.6 billion years ago, to the steady and resolute changes that affect our surroundings even today, the Faces of Earth series explores the vibrant, forceful, and ever-changing facets of planet Earth.