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Earth Happenings Archive
April, 2001
Danube set for green overhaul
( 4/30)
The Danube -- and its role as a trading route -- has been severely affected by repeated pollution and bomb damage to bridges crossing the river during the Kosovo conflict. Delegates from 16 eastern European countries are in Bucharest mapping out a plan to clean up and revitalise the Danube and Carpathian mountain area.

Canada ice core to yield clues on global warming
( 4/27)
A team of Canadian scientists will launch an international expedition next week to extract a long needle of ice from a giant haystack of a mountain that will reveal the secrets of 10,000 years of climate change.

First Dinosaur Found With Its Body Covering Intact; Displays Primitive Feathers From Head To Toe
( 4/27)
A team of Chinese and American scientists announced today in Nature the discovery of a remarkably preserved, 130-million-year-old fossil dinosaur covered from head to tail with downy fluff and primitive feathers. It is the first dinosaur found with its entire body covering intact, providing the best evidence yet that animals developed feathers for warmth before they could fly.

Air Pollution Control Efforts Will Add To Global Warming If Carbon Monoxide Is Not Curbed Along With Nitrogen Oxides
( 4/19)
Climate researchers are warning that efforts to reduce air pollution could, if not well designed, make global warming worse. Limiting emissions of manmade nitrogen oxides, a strategy to control ozone in the lower atmosphere, would result in increased methane abundance and lead to additional greenhouse warming.

Scientists say Great Barrier Reef choking to death
( 4/18)
Australia's Great Barrier Reef risks choking to death on fertilizer-soaked silt thanks to the clearance of wetlands and rainforests along the neighboring Queensland coast, scientists said on Wednesday.

Ancient Climate Excursion Linked To A Rare Anomaly In Earth's Orbit
( 4/16)
About 23 million years ago, a huge ice sheet spread over Antarctica, temporarily reversing a general trend of global warming and decreasing ice volume. Now a team of researchers has discovered that this climatic blip at the boundary between the Oligocene and Miocene epochs corresponded with a rare combination of events in the pattern of Earth's orbit around the Sun.

Small Streams Contribute Far More Than Previously Thought To Cleaning Waterways
( 4/9)
Small streams remove more nutrients such as nitrogen from water than do their larger counterparts, according to researchers who have applied sampling methods developed in a National Science Foundation (NSF) Arctic area ecological study to waterways across the nation.
Measurements Of An Exposed Earthquake Fault Helps Scientists Understand Subsurface Faults' Behavior, Improve Hazard Forecasts
( 4/9)
Geological scientists know something of the causes of earthquakes, and they know where many faults are located. However, they know much less about the rocks within the fault zone that control earthquake properties. But seismic studies of an exposed fault are now providing new information - and at least one mystery.
Geologists' Discoveries Of How Sandstone Traps Riches Will Help Oil, Gas Explorers
( 4/06)
Jason Reed, a doctoral student in geological sciences at Virginia Tech, has determined that impervious cementing minerals deposited millions of years ago surround porous compartments in thick sandstone now more than 1,000 feet underground.

Volcano erupts on ocean floor off Oregon coast
( 4/06)
A volcano has been erupting on the ocean floor off the southern Oregon coast since Tuesday night, but it poses no threat to ships or coastal communities, scientists say.

Oily Fossils Provide Clues To The Evolution Of Flowers
( 4/05)
"An abominable mystery" is how nineteenth-century naturalist Charles Darwin referred to the origin of flowering plants, and the puzzle remains as controversial today as ever. Now a team of Stanford geochemists has entered the debate with evidence that flowers may have evolved 250 million years ago - long before the first pollen grain appeared in the fossil record.

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