Sylvia Earle

Passionate about ocean life, a filmmaker sets out to document the harm that humans do to marine species — and uncovers an alarming global conspiracy.

The devastating impact of industrial and military ocean noise on whales and other marine life.

When National Geographic photographer James Balog asked, “How can one take a picture of climate change?” his attention was immediately drawn to ice. Soon he was asked to do a cover ...

A look at the state of the global environment including visionary and practical solutions for restoring the planet’s ecosystems. Featuring ongoing dialogues of experts from all ...