50 million environmental refugees by 2020, experts say

These are people who can no longer gain a secure livelihood in their homelands because of drought, soil erosion, desertification, deforestation and other environmental problems, together with the associated problems of population pressures and profound poverty.

New Light on Polynesian Migration

The migratory story of the Polynesians may be more ancient and complicated than previously thought and may have had to do with sea level rises occurring at the time, and the formation of an archipelago.

Pacific Northwest warned of climate change dangers

Washington state and the province of British Columbia launched a joint effort on Wednesday to warn residents of North America’s Pacific Northwest about the danger that climate change poses to coastal communities.