Azerbaijan is hosting COP29, the UN climate conference, drawing criticism from some who point to the country's huge oil industry and poor record of pollution. Not far from the host city, Baku, RFE/RL ...

At first glance, the Caspian Sea appears as an ocean stretching endlessly to the horizon, lapping the shores of five nations. Yet scientists classify it not as a sea, but as Earth's largest lake, an ...

Last month, an 18th-century 28-meter wooden shipwreck was discovered off the Mazandaran coast of the Caspian Sea in southern Iran. Operating under Russian influence, the ship likely comprised part of ...

Urgent action is needed to protect endangered species, human health and industry from the impacts of the Caspian Sea shrinking, research has found. Urgent action is needed to protect endangered ...