Posts by 

Editors of EarthSky

Energy from cellulose: The promise and peril

We're far away from the day when cornstalks and switchgrass will yield enough fuel at a reasonable cost to make a difference in the energy economy.

Rod Heelis: ‘Space storms disrupt GPS, satellite signals’

Rod Heelis on the clarity of satellite radio and GPS signals depends on the ionosphere. Storms in space can interfere with and disrupt earthly communications.

Neil deGrasse Tyson on cosmic connectivity

Neil deGrasse Tyson told EarthSky, "I think the most remarkable fact about the universe is that the elements that comprise the human body and life on Earth are traceable to the actions of stars."

Charles Rice on whether soil could speed Earth’s warming

Soil can help warm or cool the Earth - depending on how we manage it. according to microbiologist Charles Rice.

Will harvesting trees create energy, benefit forests

Janaki Alavalapati, head of the Department of Forestry at Virginia Tech, said harvesting trees and plants for fuel might improve the health of forests.

The forest industry biofuel market is evolving

Forest scientist Janaki Alavalapati talks about how a forest industry biofuel might boost rural economies and be a possible source of clean, renewable energy.

Oceans keep Europe warm by Paul Baker

Baker said a slowdown of ocean circulation, caused by global warming, could mean less heat brought by the oceans to Earth's high latitudes. And that means, in a warming world, Europe could get cold.

Afghanistan recovery could be spurred by natural resources

Geologist James Devine talks about how scientists could help Afghanistan manage the country's petroleum and copper reserves to revitalize the nation's troubled economy.

Energy and water tradeoffs in oil extraction

Experts say usable oil can be extracted from a rocky substance, called oil shale, that's abundant in western North America. But geologist Craig Cooper speaks of trade-offs in the energy and water extraction process.

Mysterious dead zones in the Pacific

She describes these dead zones, off the northwestern coast of the United States, as "virtual wastelands of dead crabs, dead worms, dead anemones, just littering the sea floor."