Gravity Light: Our Renewable Energy Future

Guest essay by Eric Worrall What could be better for providing light in a poor country with no electricity than a cheap kerosene lamp? A group of renewable entrepreneurs think…

Old explorer logbooks reveal Antarctic sea ice unchanged from over a century ago

From the EUROPEAN GEOSCIENCES UNION Antarctic explorers help make discovery — 100 years after their epic adventures Heroes of Antarctic exploration have played a crucial role in research that suggests the…

Arizona Professor: Forget Climate, Humans "Don't Have 10 Years"

Guest essay by Eric Worrall Professor-emeritus Guy McPherson of University of Arizona, speaking in New Zealand, thinks we don’t have to worry about climate change, because the “6th mass extinction”…