News tagged with land areas
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 |
3.4 / 5 (12) |
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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 |
4 / 5 (7) |
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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 |
5 / 5 (4) |
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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 |
3.2 / 5 (5) |
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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 |
3.8 / 5 (4) |
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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 |
5 / 5 (3) |
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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 |
3.5 / 5 (4) |
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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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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 |
5 / 5 (1) |
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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 |
3 / 5 (1) |
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