Sentences with phrase «current human activities»

These and other mercury emissions from human activities (past and present) account for at least 50 % and perhaps as much as 75 % of current, annual, global mercury emissions from all sources (including natural sources), but a large, unknown portion of those mercury emissions is due to past rather than current human activities, according to EPA estimates.
The impacts of current human activities will continue over long periods.
Scripps Institution's own Jeff Severinghaus takes you on a thorough exploration of the record that greenhouse gases captured in ice for nearly a million years tells us, and explains what this reveals about current human activities and future conditions for our planet.
A significant and serious concern among mainstream climate scientists in this regard is the inability of the models to predict climate surprises, that is, rapid non-linear changes in the climate system that have happened in the historical climate record and that may be triggered by current human activities.
The current human activities are worsening the situation.
«That's not to say that current human activity hasn't been a big threat.»
Previous climate change, especially pre-human, can not have been caused by humans: that shows exactly nothing about whether current human activity is causing change.
They deny what over 97 percent of scientists say is happening — current human activity creates the greenhouse gas emissions that trap heat within the atmosphere and cause climate change.

Not exact matches

Huntington, for example, contends that «far more significant than the global issues of economics and demography are problems of moral decline», an «increase in antisocial behavior», decay of family structures, weakening of the «work ethic», and decreasing commitment to intellectual activity.12 Similarly Brzezinski refers to a current global crisis of spirit which has to be overcome if the human race is to regain some control over its destiny.
As with most human activities, as our knowledge increased, dog breeding improved and exploded in the 1900s, with the current 600 or so breeds of dogs all descendent from the original wolf.
Information about the Program's current projects and activities is available under the human rights, ethics, and law tabs at the top of the page.
Wang points out that the current findings are preliminary and that comparing SLC13A5 activity in healthy and cancerous human liver tissue will be necessary before studies of this pathway as a cancer drug target should be contemplated.
The current test is only able to analyze part of the human immune system, namely the B - cells but not the T - cells, which are needed as helper cells to fight the infection and whose activity indicates the presence of an infection.
Many agree that his research on ice caps across the world was some of the first, most convincing evidence that current climate change is due to human activity.
Another possible issue with attribution science, he says, is that the current generation of simulations simply may not be capable of capturing some of the subtle changes in the climate and oceans — a particular danger when it comes to studies that find no link to human activities.
The rate of carbon release during the PETM was determined to be much smaller than the current input of carbon to the atmosphere from human activities.
From modest beginnings with his indispensable Current Contents (it lists the contents of leading scientific journals), Garfield has created a new human activity, now called scientometrics, with its own journals and its own jargon.
And while previous extinctions have been driven by natural planetary transformations or catastrophic asteroid strikes, the current die - off can be associated to human activity, a situation that the lead author Rodolfo Dirzo, a professor of biology at Stanford, designates an era of «Anthropocene defaunation.»
But based on that data, they estimate that emissions from abandoned wells represents as much as 10 percent of methane from human activities in Pennsylvania — about the same amount as caused by current oil and gas production.
Current U.S. Department of Health and Human Services guidelines call for children to have a minimum of 60 minutes of intermittent physical activity per day.
But these days, with many scientists are focused on tracking greenhouse gases produced by human activities at national, regional and local scales, the current monitoring network doesn't measure up.
In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.
The current state of science related to the cause, occurrence, and potential impacts of induced seismicity (earthquakes likely triggered by human activities).
«Given the alarming trend of resistance to our current antimalarial therapies, this is really an exciting finding,» says Dr. Mota, the senior author of the study, «and we are already working to develop Torin molecules suitable for clinical trials of antimalarial activity in humans
«In today's atmosphere, the radiative forcing from human activities is much more important for current and future climate change than the estimated radiative forcing from changes in natural processes.»
The signature effects of human - induced climate change — rising seas, increased damage from storm surge, more frequent bouts of extreme heat — all have specific, measurable impacts on our nation's current assets and ongoing economic activity.
Clinical Trials Research and Billing First in Human / Early Phase PET in Oncology Case - Based Dose Reduction in Pediatric Nuclear Medicine: Practical and Necessary Radioiodine Therapy for Hyperthyroidism: The State of the Art Spondylodiscitis: Role of Imaging for Diagnosis and Monitoring Treatment Response Current Status and Future Prospects: PET and SPECT Instrumentation Alternative Payment Models and Value - Based Health Care: Nuts and Bolts Maximal Tolerated Activity of Radioactive Iodine for Metastatic Thyroid Cancer Teaching Old Radiopharmaceuticals New Tricks Intraoperative Detection Devices and Probes Molecular Imaging of Lung Inflammation Standardization of Advanced PET / SPECT Data Acquisition and Analysis Thyroid Cancer Management: Novel Therapeutics and Management Options Targeting Radionuclide Therapy in Various Non-Malignant Arthritic Conditions Using Radiosynoviorthesis (RSO) Are You Prepared for a Radiation Accident?
The Observatory will also set out to explain the current drivers of climate change arising from human activities (including industry and agriculture), and how our future actions will depend on our capacity to understand the pace and direction of change.
The current research project sought to determine how lead from daily human activities affects formation of ice nuclei.
This will allow you to assess the current market situation more accurately reducing the influence of the human factor in decision making and turning your Forex trading into a more systematized activity.
If current activities continue unchecked, the toxification of the lake will make it unsuitable for human use.
What / Why: «Presented at a time when the compulsion to digitally document and share human activity has increased exponentially, this exhibition features works from deCordova's permanent collection that prefigure and inform current trends in social photography, as well as recent work by contemporary artists who utilize smartphones and social media to record the world around them.
Speechless takes its cue from current discourse on the Anthropocene, described by writer Robert Macfarlane as «the new epoch of geological time in which human activity is considered such a powerful influence on the environment, climate and ecology of the planet that it will leave a long - term signature in the strata record.»
Anthropocene Relating to or denoting the current geological age, viewed as a period during which human activity has been the dominant influence on climate and the environment.
In light of a current preoccupation with art evolved from the immaterial object to how a human handles it, the show explores «the residue of an activity that may or may not have happened».
Current and likely future impacts of global warming on ecosystems and human activities are also considered, including biodiversity, system buffering and resilience, and regional inequality and vulnerability.
«Considering these... major and still growing impacts of human activities on Earth and atmosphere, and at all, including global, scales, it seems to us more than appropriate to emphasize the central role of mankind in geology and ecology by proposing to use the term «anthropocene» for the current geological epoch.»
While, in theory, human activities have the potential to result in net cooling, a concern about 25 years ago, the current balance between greenhouse gas emissions and the emissions of particulates and particulate - formers is such that essentially all of today's concern is about net warming.
Arguments about whether the current CO2 rise is caused by human activity fall clearly into this category.
Current atmospheric concentrations of GHGs are significantly higher than pre-industrial levels as a result of human activities.
In 2001 it was claimed «there is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities» and the current report concludes says it is: «90 % probable» that the recent warming is «due to the observed increase in anthropogenic greenhouse gas concentrations».
To the extent that man is exacerbating the current period is arguable, but let's say human activity (read economic activity) is having an undeniable effect.
In the standards for middle school, for example, one of the core ideas is that «human activities, such as the release of greenhouse gases from burning fossil fuels, are major factors in the current rise in Earth's mean surface temperature («global warming»).»
The British university has contended that the messages were illegally obtained by a hacker, who posted them on Web sites of groups critical of the current scientific consensus that human activity has caused dangerous changes to the global climate.
Where do you believe that Dr. Curry implies agreement that leading climate scientists are incompetent and should not be working, and that there is a cover - up and that the current warming is caused by an iron sun rather than increased CO2 from human activity?
Climate science is telling us that CO2 from human activity is the cause of the current warming trend and it's a serious problem.
Current requirements for that degree show that he would have taken exactly one chemistry course and NO biology / climatology / environmental science courses, which leaves him markedly unqualified to postulate on «climate change», particularly the idea that «climate change» is caused by the activities of human beings.
Compelling scientific evidence supports the claim that CO2 from human activity is driving the current warming trend, that the trend is potentially dangerous, and is already having negative impacts.
While international teams of scientists agreed long ago that human activity is the primary cause of current warming, members of the public and some politicians have been slow to embrace the findings.
These include eastern boundary current upwelling systems such as those off the U.S. west coast along coastal California, Oregon and Washington, deep - sea and subsurface oxygen minimum zones, and coastal waters that are already experiencing excess nutrient levels (eutrophication) and low dissolved oxygen (hypoxia) due to human - driven nutrient pollution from land - based activities.
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