News tagged with land area
Growth of cities endangers global environment
The explosive growth of cities worldwide over the next two decades poses significant risks to people and the global environment, according to a meta-analysis published today in Plos One.
Aug 19, 2011 |
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Paved surfaces can foster build-up of polluted air
New research focusing on the Houston area suggests that widespread urban development alters wind patterns in a way that can make it easier for pollutants to build up during warm summer weather instead of being ...
Jun 07, 2011 |
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Earth's past, made visible
New visualizations of the Earth from space provide a unique image of how the Earth has changed over the past 750 million years.
May 23, 2011 |
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ORNL tool puts spotlight on nation's electricity generation capacity
A technology developed at Oak Ridge National Laboratory could streamline and strengthen the process for siting power plants while potentially enhancing the nation's energy security.
Technology / Energy & Green Tech
Feb 27, 2012 |
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Climate change generates more Arctic tundra vegetation
Researchers in Finland have discovered that climate change has impacted various regions of the Arctic tundra by helping increase the levels of vegetation. Their data suggest that this rise could potentially ...
Apr 11, 2012 |
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NASA infrared image sees a stronger Tropical Storm Daphne
Tropical Storm Daphne strengthened overnight and was captured in an infrared image from NASA's Terra satellite. Daphne moved away from the Fiji islands and remains north of New Zealand in the South Pacific ...
Space & Earth / Earth Sciences
Apr 03, 2012 |
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Study: Forested riparian zones important to nitrogen control, stream health
Human activities from agriculture to fossil fuel consumption have resulted in high levels of nitrates in many streams and rivers; now a new study suggests that nurturing riparian zone forests may be a key in maintaining healthy ...
Feb 21, 2012 |
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A quarter of the world's population depends on degrading land
A new study published in the journal Soil Use and Management attempts for the first time to measure the extent and severity of land degradation across the globe and concludes that 24% of the land area is degrading - ofte ...
Mar 20, 2009 |
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NASA imagery sees a reawakening of system 98A in the Arabian Sea
System 98A has been bringing rains, gusty winds and churning up the surf along the Arabian Seacoast of west-central India for days, and NASA satellite imagery confirms that it is getting organized now that ...
Space & Earth / Earth Sciences
Jun 08, 2011 |
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How the mole got its 12 fingers
Polydactyly is a hereditary anomaly that is relatively common in both humans and animals. Moles also have additional fingers. In their case, however, the irregularity compared to the five-finger formula of ...
Jul 14, 2011 |
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Conserving biodiversity could benefit the world's poor
Land areas that are a priority for wildlife conservation provide relatively high levels of ecosystem services such as pollination, water purification, food production, and climate regulation, so safeguarding them is expected ...
Jan 12, 2012 |
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The Orbiting Carbon Observatory and the Mystery of the Missing Sinks
(PhysOrg.com) -- Picture a tree in the forest. The tree "inhales" carbon dioxide from the atmosphere, transforming that greenhouse gas into the building materials and energy it needs to grow its branches and ...
Space & Earth / Earth Sciences
Jan 26, 2009 |
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Huge public lands bill gets final congressional approval
The House of Representatives on Wednesday gave long-awaited final approval to a massive public lands package designed to protect wilderness, restore rivers and expand national parks.
Mar 26, 2009 |
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Wind, salt and water are leading indicators of land degradation in Abu Dhabi
Desert environments are characterized by poor vegetative cover, strong winds, dry, non-cohesive sandy soils, and hyper-arid conditions. In this context, the land resources of Abu Dhabi Emirate in the United Arab Emirates ...
May 06, 2009 |
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