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Icy waters of 'Snowball Earth' may have spurred early organisms to grow bigger
early organisms Icy waters planet
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2021/8/2
A new study from CU Boulder finds that hundreds of millions of years ago, small single-celled organisms may have evolved into larger multicellular life forms to better propel themselves through icy wa...
‘Less than 1% probability’ that Earth’s energy imbalance increase occurred naturally
Earth’s energy imbalance Sunlight climate systems
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2021/8/2
Sunlight in, reflected and emitted energy out. That's the fundamental energy balance sheet for our planet -- and for decades, it has been out of balance. The extra energy manifests as higher temperatu...
Volcanic activity and changes in Earth's mantle were key to rise of atmospheric oxygen（图）
Volcanic activity changes Earth mantle were key rise atmospheric oxygen
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2020/6/19
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photos...
Drought left 225 million trees dead in the U.S. Southwest in 2002. Nine years later, it killed 300 million trees in Texas. This past year, 12 million trees died in California.Drought left 225 million ...
Infographic:Earth Day at NSF
Earth Day NSF
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2016/4/25
he National Science Foundation (NSF) supports research across all fields of science and engineering, from astronomy to zoology. Much of it has a role to play in helping us better understand -- ...
Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient...
Earth to data: Making sense of environmental observations（图）
sense environmental observations Earth
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2014/12/1
As with the proverbial canary in the coal mine, birds serve as an indicator of the health of our environment. Many common species have experienced significant population declines within the last 40 ye...
With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how the planet became habitable to life about 4.4 billion years agcrust o is coming into sh...
Mid-latitude storm tracks are major weather patterns that account for the majority of precipitation in the globe’s middle latitudes, which includes most of the heavily populated areas of North America...
Soot Adds to Melting of Earth's ‘Third Pole’--Himalayan Glaciers Absorbing More Sun（图）
Soot Earth's ‘Third Pole’ Himalayan Glaciers Sun
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2009/12/21
Black soot deposited on Tibetan glaciers has contributed significantly to the retreat of the world's largest non-polar ice masses, according to new research by American and Chinese scientists.Soot abs...
Earth on the edge（图）
the Earth climate and atmosphere water resources and oceans volcanoes and polar regions
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2009/12/14
Launching the conference today during the 90th anniversary celebrations for the International Union of Geodesy and Geophysics (IUGG), the first Australian to be elected President of the IUGG, CSIRO’s ...
NASA Hosts Media Briefings About Earth System Science Advances
NASA Media Briefings Earth System Science
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2009/6/16
NASA will hold two media briefings to present new developments in research and benefits to society made possible by the Earth system science approach pioneered by the agency during the last 20 years. ...
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologis...
Scientists to Map Out Earth's Soil--New tool will help explain and solve world’s greatest environmental threats（图）
Earth's Soil world’s greatest environmental threats
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2009/12/10
New York, February 17, 2009 — Some of the answers to the world’s greatest challenges -- such as climate change, food security, and water scarcity -- lie right beneath our feet. Responding to these and...
Earth Science and Applications from Space: National Imperatives for the Next Decade and Beyond
Earth Science Space
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2007/1/31
January 26, 2007，Understanding the complex, changing planet on which we live, how it supports life, and how human activities affect its ability to do so in the future is one of the greatest intellectu...