Earth
- Agriculture
Organic Dairying Is on Upswing, But No Panacea
Some small dairy farms are making the switch to organic operations to increase profits and distinguish their products from undifferentiated commodities.
- Earth
Balancing Act: El Niños and dust both affect coral bleaching
Most of the annual variation in the extent of coral bleaching in the Caribbean is driven by two factors: the amount of dust and other particles suspended in the atmosphere, and the climate phenomenon known as El Niño.
- Agriculture
Cow Power
To improve the dire economics of dairying, some farmers are looking to generate commercial quantities of electric power.
- Earth
Farm salmon spread deadly lice
In the Pacific Northwest, sea lice that spread from cultivated salmon to their wild counterparts have become major parasites affecting the wild population.
- Earth
The African source of the Amazon’s fertilizer
More than half of the airborne dust that provides vital nutrients to the Amazonian rainforest comes from a small corner of the Sahara.
- Earth
Dashing Rogues
Rogue waves, which tower over the waves that surround them, are probably more common than scientists had previously suspected.
- Earth
Not So Clean: Service industries emit greenhouse gases too
Service industries such as the retail trade are creating just as much planet-warming carbon dioxide as the manufacture and operation of motor vehicles do.
- Earth
New Estimates of the Shark-Fin Trade
A new study of the Asian fish market yields a disturbing estimate of how many sharks are killed each year to satisfy demand for a pricy Asian soup.
- Earth
Flow West, Young River: Ancient Amazon ran opposite today’s route
The forerunner of the mighty Amazon ran from east to west, a new analysis of rocks laid down by that ancient river suggests.
- Earth
Encyclopedia of Earth
The Encyclopedia of Earth is an online source of environmental information that features objective, authoritative articles written and reviewed by an international community of experts. Topics range from absorption of toxicants and biodiversity to wind farms and zero-point energy. Entries often include images and references. Go to: http://www.eoearth.org/
- Earth
A Whale’s Tale: Puzzling marine compounds are natural
Antique whale oil shows that some mysterious compounds that resemble DDT and PCBs are naturally produced.
- Earth
Waters near croplands impair frogs’ immunity
Pesticide-containing waters leave frogs more susceptible to fungal infections than pristine environments do.
