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Latest Impervious surface Stories

scale insect infestation on a red maple
2014-07-25 02:00:50

Matt Shipman, North Carolina State University New research from North Carolina State University shows that urban "heat islands" are slowly killing red maples in the southeastern United States. One factor is that researchers have found warmer temperatures increase the number of young produced by the gloomy scale insect – a significant tree pest – by 300 percent, which in turn leads to 200 times more adult gloomy scales on urban trees. "We'd been seeing higher numbers of plant-eating...

2014-07-15 12:23:05

Attend StormCon August 3-7 PORTLAND, Ore., July 15, 2014 /PRNewswire/ -- Urbanization poses an array of challenges. Most people already live in cities now, but by 2030 two-thirds of the world population will reside in an urban area. Some stormwater problems need more than just an engineering solution. Urbanized areas generally contain large portions of impervious surfaces such as roads, rooftops and parking lots that channel stormwater directly into local streams, rivers, and other...

2013-10-10 23:27:02

The Philadelphia Water Department (PWD) is using one of its major employee parking lots as a testing ground for various types of permeable pavement materials designed to prevent stormwater runoff from polluting local rivers and streams. Funded by the PWD and the U.S. Environmental Protection Agency (EPA), the project will help advance strategies under the city’s nationally renowned Green City, Clean Waters stormwater management plan. Philadelphia, PA (PRWEB) October 10, 2013 Crews have...

2012-08-06 22:02:26

Tree cover in the nation´s Lower 48 states covers 659 million acres, more than one-third of the nation, according to a U.S. Forest Service study of national tree cover and impervious surfaces. New Hampshire leads the nation in percent tree cover (89 percent), followed by Maine (83 percent) and Vermont (82 percent). On the other end of the spectrum, North Dakota has the lowest percent tree cover (3 percent), followed by Nebraska (4 percent) and South Dakota (6 percent). Using aerial...

2009-12-16 11:46:36

NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid regions show far less heating compared with the surrounding countryside than cities built amid forested and temperate climates. "The placement and structure of cities "“ and what was there before -- really does matter," said Marc Imhoff, biologist and remote sensing...

2009-10-28 21:42:17

Paved parking lots and driveways make our lives easier, but they often create an easy pathway for pollutants to reach underground water sources and alter the natural flow of water back into the ground. The U.S. Environmental Protection Agency today announced a study that will investigate ways to reduce pollution that can run off paved surfaces and improve how water filters back into the ground. EPA is testing a variety of different permeable pavement materials and rain gardens in the parking...

2008-07-09 12:00:00

By Sam Taylor, The Bellingham Herald, Wash. Jul. 9--a new tax on property owners between Birch Bay and Ferndale is closer to reality after a Whatcom County Council committee Monday called for a public hearing on the issue. Council members are being asked to create a new fee for property owners in the Birch Bay watershed to help protect the water quality of Birch Bay. The Birch Bay Watershed and Resources Management District, created in 2007, stretches southeast from Semiahmoo Spit toward...

2008-07-01 21:00:10

By Jeremy Hsieh, The Beaufort Gazette, S.C. Jul. 1--Nitrogen gas makes up about three-fourths of the air we breathe, but when it's bound in certain soluble compounds and carried into our waterways, it can cause ecologically disruptive algae blooms and fish kills. Under a proposed update of Beaufort County's stormwater management manual of best practices, nitrogen pollutants would be folded into exiting stormwater regulations, potentially forcing developers to drastically reduce the...

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2007-09-11 18:03:33

WEST LAFAYETTE, Ind. - From suburban driveways to the sprawling lots that spring up around big retailers, Americans devote lots of space to parking spaces "“ a growing land-use trend that plays a role in heating up urban areas and adding to water pollution, according to a recent study. Purdue University researchers surveyed the total area devoted to parking in a midsize Midwestern county and found that parking spaces outnumbered resident drivers 3-to-1 and outnumbered resident families...


Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.