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ScienceDaily: Earth Science News

Embrace unknowns, opt for flexibility in environmental policies, experts say

We make hundreds, possibly thousands, of decisions each day without having full knowledge of what will happen next. Life is unpredictable, and we move forward the best we can despite not knowing ev...

World's challenges demand science changes -- and fast, experts say

The world has little use -- and precious little time -- for detached experts. A group of scientists -- each of them experts -- makes a compelling case that the growing global challenges has rendere...

Lake Tahoe research provides new insights on global change

A study on how natural and human-made sources of nitrogen are recycled through the Lake Tahoe ecosystem provides new information on how global change may affect the iconic blue lake.<img src="//...

First direct observation of carbon dioxide's increasing greenhouse effect at Earth's surface

Scientists have observed an increase in carbon dioxide's greenhouse effect at Earth's surface for the first time. They measured atmospheric carbon dioxide's increasing capacity to absorb thermal ra...

Crocodiles rocked pre-Amazonian Peru: Seven crocodile species found in single 13-million-year-old...

Thirteen million years ago, as many as seven different species of crocodiles hunted in the swampy waters of what is now northeastern Peru, new research shows. This hyperdiverse assemblage, revealed...

Yellowstone: Geysers erupt periodically because they have loops in their plumbing

Volcanologists threaded sensors and cameras into the superheated water of geysers in Chile and Yellowstone, and have come up with an explanation for why geysers erupt periodically. They've even bui...

Climate-change clues from turtles of tropical Wyoming

Tropical turtle fossils discovered in Wyoming reveal that when Earth got warmer, prehistoric turtles headed north. But if today's turtles try the same technique to cope with warming habitats, they ...

Intelligent tree inventory detector

Planning and managing vegetation in urban area is complex, yet it can be seamlessly done using computerized tree inventory and Geographic Information System (GIS).<img src="//feeds.feedburner.co...

Massive amounts of Saharan dust fertilize the Amazon rainforest

Every year, millions of tons of nutrient-rich Saharan dust cross the Atlantic Ocean, bringing vital phosphorus and other fertilizers to depleted Amazon soils. For the first time, scientists have an...

Ocean acidification slows algae growth in the southern ocean

Scientists demonstrate for the first time that ocean acidification could have negative impacts on diatoms in the Southern Ocean. In laboratory tests they were able to observe that under changing li...