News tagged with chemical runoff

Models show Coho salmon at risk in US urbanizing watersheds

For a decade researchers in Seattle have worked to solve the mystery of why adult coho salmon are dying prematurely in urban streams when they return from the ocean to mate and spawn. In a study published in Integrated En ...

Biology / Ecology

created Jul 26, 2011 | popularity not rated yet | comments 0

Study finds widespread stream biodiversity declines at low levels of urban development

A new study from biology researchers at Baylor University and the University of Maryland-Baltimore has found that there are consistent and widespread declines in stream biodiversity at lower levels of urban development more ...

Space & Earth / Environment

created Jun 08, 2011 | popularity 5 / 5 (1) | comments 0

Great Barrier Reef under serious threat: report

Australia's Great Barrier Reef is in serious jeopardy as global warming and chemical runoff threaten to kill marine species and cause serious outbreaks of disease, a report warned Wednesday.

Space & Earth / Environment

created Sep 02, 2009 | popularity 3.4 / 5 (15) | comments 1




Search results for chemical runoff


Toxic mercury, accumulating in the Arctic, springs from a hidden source

(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Potomac tops conservation group's list of endangered rivers

The Potomac River is much healthier today than it was 40 years ago, when its chemical-laced, sewage-laden waters helped inspire the 1972 Clean Water Act. But the Washington waterway still has a long way to go, as suggested ...

Space & Earth / Environment

created May 21, 2012 | popularity 5 / 5 (1) | comments 0

From decade to decade: What's the status of our groundwater quality?

There was no change in concentrations of chloride, dissolved solids, or nitrate in groundwater for more than 50 percent of well networks sampled in a new analysis by the USGS that compared samples from 1988-2000 to samples ...

Space & Earth / Environment

created Apr 30, 2012 | popularity not rated yet | comments 0

North American rivers are a sizable source of atmospheric carbon

To fulfill the need for an ever more accurate and complete understanding of the flow of carbon through the Earth system, a flurry of research has taken place in the past decade on previously overlooked aspects of the carbon ...

Space & Earth / Earth Sciences

created Mar 31, 2012 | popularity 4 / 5 (8) | comments 0

Radiation risks from Fukushima are likely to be less than for Chernobyl

(PhysOrg.com) -- Radiation exposures to the public in Japan from meltdowns at three Fukushima Daiichi nuclear power plant reactors in the wake of last year’s 9.0-magnitude earthquake and 45-foot tsunami ...

Space & Earth / Environment

created Mar 23, 2012 | popularity 3.7 / 5 (6) | comments 5

For disaster debris arriving from Japan, radiation least of the concerns

(PhysOrg.com) -- The first anniversary is approaching of the March, 2011, earthquake and tsunami that devastated Fukushima, Japan, and later this year debris from that event should begin to wash up on U.S. shores – and ...

Space & Earth / Environment

created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0

Silver nanoparticles trap mercury

(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production ...

Nanotechnology / Nanomaterials

created Feb 16, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Algae may be sustainable alternative for animal feed

The pigs and poultry in Professor Xingen Lei's lab have been consuming feed one wouldn't expect in Ithaca: marine algae.

Biology / Biotechnology

created Jan 19, 2012 | popularity 5 / 5 (1) | comments 0

US looks ahead after ethanol subsidy expires

After a series of bitter political fights, the US Congress allowed a subsidy for ethanol fuel to expire at the end of 2011, ending a program harshly criticized by environmentalists and others.

Technology / Energy & Green Tech

created Jan 15, 2012 | popularity 4.4 / 5 (7) | comments 36

USAID, CU-Boulder partner to study water resources in Asia mountains

A University of Colorado Boulder team is partnering with the United States Agency for International Development to assess snow and glacier contributions to water resources originating in the high mountains ...

Space & Earth / Earth Sciences

created Dec 06, 2011 | popularity not rated yet | comments 0


List of search results for chemical runoff