Sentences with phrase «by environmental»

The three species, which have varying larval dispersal strategies, were simulated in a dynamic natural marine system over time to determine whether dispersal was driven by environmental or biological factors for the modeled species.
That plan was condemned by environmental and wildlife groups, and led to calls for a tourism boycott.
Examining a long - lived forest, researchers have found that Black Spruce trees, which dominate the northern forests of North America, succumb about five years after being weakened by environmental stresses.
Consistent with evolutionary perspective, one's reaction to sexual verses emotional infidelity is likely shaped by environmental and personal factors.
The «water grabbing» by corporations amounts to 454 billion cubic meters per year globally, according to a new study by environmental scientists.
The researchers measured electrical activity of the neurons within the ensemble and compared it with nearby neurons that were not activated by the environmental cue.
Aldy says that the current effort by the Environmental Protection Agency (EPA) to regulate a power plant's production of carbon could be potentially more costly than his proposal.
Despite the findings of these studies and others, the EPA did not update emission factors for the U.S. refinery and petrochemical sector until 2015, seven years after Houston had petitioned the agency to do so and two years after it was sued by environmental justice groups.
«The exhaust contains gasses and large amounts of ultrafine particles that are essentially unregulated by the Environmental Protection Agency because the EPA regulates fine particles by weight, and these particles weigh so little,» she said.
Led by environmental health physician David O. Carpenter of the University at Albany (SUNY), scientists examined more than 700 farmed and wild salmon from North America, South America, and Europe, looking for 14 organochlorines thought to cause cancer and birth defects.
The new assessment of soil loss by water erosion in Europe was published by Environmental Science and Policy.
A new report by the Environmental Change Institute (ECI) at the School of Geography and the Environment at the University of Oxford concludes that better governance could have lessened the impact on the poorest and most vulnerable, and affected populations have been let down by the authorities in the past.
The annual north - south distribution shift of the population is driven by environmental preferences, such as water temperature, and the availability of prey.
One reporter's question, about possible regulation of CO2 emissions by the Environmental Protection Agency, explicitly suggested that Chu should defend the economic interests of the coal industry.
Similarly, someone who inherits the version of a particular gene that's associated with obesity will be more likely to wind up fat than someone who inherits a normal version, but that tendency can be affected by environmental factors such as how much fattening food is available.
The survey, released today by the Environmental Working Group, found that 78 brands use BPA - lined cans for all of their products, 34 brands use BPA - lined cans for some of their products and 31 use BPA - free cans for all of their products.
Eating those excess calories can contribute to overweight and obesity and is often driven by environmental cues — the sight of beautiful dessert or the colorful wrapper of a candy bar — rather than metabolic need.
Levels of ultrafine particulate matter in the atmosphere are neither monitored nor regulated by environmental agencies not only in Brazil but practically anywhere in the world, Artaxo stressed.
The recommendation follows years of protests by environmental groups who say the mushrooming of biosafety level 3 and BSL - 4 facilities across the United States since 2001 poses a public health risk.
Propelled by a decade of blistering growth unfettered by environmental regulations, China managed to hit its energy usage goal in 2007, 13 years ahead of schedule.
Early results from a larger, ongoing study led by environmental health scientist Richard Pilsner at the University of Massachusetts Amherst suggest that phthalate levels in expectant fathers have an effect on couples» reproductive success via epigenetic modifications of sperm DNA.
That process, once activated, also fixes a lot of DNA damage caused by environmental stresses, including dreaded «double - strand breaks,» a clean severing of the DNA molecule.
The report, published this week by the Environmental Integrity Project, found that between 2010 and July 2014 at least 351 wells were fracked by 33 different companies using diesel fuels without a permit.
The harmful effects from the particles were observed even in areas where concentrations were less than a third of the current standard set by the Environmental Protection Agency (EPA).
«Brain pathway contributes to restraining from food temptation triggered by environmental cues.»
One of the main arguments in the piece comes from a study that calculated pesticide exposure on conventionally grown fruits and vegetables on the notorious «dirty dozen» list put out by the Environmental Working Group each year.
An analysis by an environmental group finds hundreds of cases in which drillers used diesel fuel without obtaining permits and sometimes altered records
Bangladesh's capital Dhaka is struggling to absorb migrants from the countryside forced to move by environmental change, Part 3 of a special series
The total levels of pesticides in those foods, the study concluded, don't come close to the exposure limits set by the Environmental Protection Agency.
ADHD is not the only psychopathology impacted by environmental factors, said Hinshaw, senior author of the study.
«The brain along with the reproductive system and every other cell in your body is exquisitely sensitive to exceedingly small changes in estrogen and other sex hormones, and the fact that the environment is full of chemicals that can activate estrogen receptors means this phenomenally sensitive system is being perturbed constantly by environmental factors.»
Cancer in wild animals may be triggered or accelerated by environmental contaminants, some researchers argue
This suggested not only that species could change — already a divisive concept back then — but also that the changes were driven purely by environmental factors, instead of divine intervention.
The atrazine apparently created hermaphrodites at a concentration one - thirtieth the safe level set by the Environmental Protection Agency for drinking water.
Since the late 1990s, Huntingdon Life Sciences — a company that conducts testing of substances on animals mandated by the Environmental Protection Agency and the Food and Drug Administration — has become a proving ground for increasingly aggressive tactics by animal - rights militants.
This article originally ran at The Daily Climate, the climate change news source published by Environmental Health Sciences, a nonprofit media company.
His team focused on a naturally occurring process that's part of the body's internal housekeeping system, called methylation, which makes chemical modifications to our genome that are strongly influenced by environmental factors.
The banks made their pledges on renewable energy as part of a campaign called RE100, an effort organized by environmental advocacy groups to get leading companies to commit to shrinking their carbon footprints.
He said that it may be possible for species that have had their migration patterns disrupted to relearn them from «exploratory walks» driven by environmental cues.
That's according to a report by the National Marine Fisheries Service (NMFS), released earlier this month against the Department of Commerce's wishes by the environmental group Earth Island Institute of San Francisco.
There, billions of dollars have been spent since 1950 to save salmon endangered largely by the environmental impact of hydropower.
As part of the Coral Reef Monitoring Program sponsored by the Environmental Protection Agency, Porter and colleagues in 1995 staked out 160 monitoring stations, each 2 by 20 meters, extending from Key Largo in the north to Key West, 160 km to the south.
Yesterday afternoon, experts from abroad and from the United States shared strategies on scaling up the industry at a hearing held by the Environmental and Energy Study Institute.
In this study in Timothy grass, researchers led by environmental health scientist Christine Rogers of the UMass Amherst School of Public Health and Health Sciences (SPHHS) determined the interactive effects of CO2 and ozone at projected higher levels on pollen production and concentrations of a Timothy grass pollen protein that is a major human allergen.
New research to re-examine distribution system leak rates has been funded by the Environmental Defense Fund as part of a larger project to quantify lost methane from the natural gas system.
As a result, the service has been the subject of countless protests and lawsuits by environmental groups and the timber industry.
«These deformities are caused by environmental pollution, so you can use them as a bioindicator,» he says.
To study how a dead body decays in isolation, Peter Noble at Alabama State University in Montgomery sampled microbes from a selection of internal organs, as «these aren't influenced by environmental conditions», he says.
This article originally ran at Environmental Health News, a news source published by Environmental Health Sciences, a nonprofit media company.
A study in this week's Neuron provides key evidence that DNA methylation — also known to occur as cancerous cells divide, when tumor suppressor genes are silenced — occurs in adult brains and can be triggered by environmental cues.
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