Sentences with phrase «human alteration of»

Twenty years ago, Bill McKibben wrote of the human alteration of every aspect of the natural world.

One of the points on which Prof Curry and Dr. Schmidt agree is that attribution requires a comparison of the actual data (global mean temp, global mean rainfall, etc) to a model of what would have happened absent human alteration of the Earth surface and atmosphere.

CO2 has risen by 40 % in just the past 200 years, contributing to human alteration of the planet's energy budget that has so far warmed Earth by about 0.8 °C (1.4 °F).

So if the IPCC found that climate change was not being affected by human alteration of the atmosphere or that it is not «dangerous» there would be no need for them to exist.

The Sun, Jupiter, gravitational moment of the remaining planets, Earth angular orbit variations of all kinds, galactic rays, motion of the solar system through the galaxy and dust clouds, the Moon, atmospheric water vapor, ocean currents, configuration of the tectonic plates and continental drift, volcanic activity, the natural biosphere, human urban development, human alteration of the greenhouse water cycle (dam's, rivers etc),,... human produced CO2.

And, in spite of all its complexity and uncertainties, we should not lose track of the simple fact that theory, actual observations of the planet, and complex models - however imperfect each is in isolation - all point to ongoing, potentially dangerous human alteration of climate.

Melting permafrost (deposition of the sediments by river flows and human alteration of hydro cycle.

Human alteration of environments produces multiple effects, some advantageous to societies, such as enhanced food production, and some detrimental, like environmental pollution with toxic chemicals, excess nutrients and carbon emissions from fossil fuels, and the loss of wildlife and their habitats.

Steffen et al (2015) revise the «planetary boundaries framework» initially proposed in 2009 as the «safe limits» for human alteration of Earth processes (Rockstrom et al 2009).

We can both agree that we should work to minimize the human alteration of the chemical composition of the Earth's atmosphere, but still disagree whether we can skillfully predict the climate consequences of such actions.

Human alteration of Earth systems tends to be far more extensive and complex than one would expect based on numbers alone.

Significant human alteration of the biosphere began more than 15,000 years ago as Palaeolithic tribes evolved social learning, advanced hunting and foraging technologies, and the use of fire, and used them to open up forested landscapes and kill off megafauna.

In theory, the treaty and addenda like the Kyoto Protocol, only apply to climate changes attributable to human alterations of the global atmosphere.

The two foreign climate models used in the National Assessment make predictions of U.S. climate change based upon human alterations of the atmosphere.

Not exact matches

But he does make this observation about the child that he eventually has: «I realized that George, who had done nothing more admirable than cry and feed, was richly and permanently human to me, possessed of a soul, and no alteration could change that.»

The human face too might be called such a picture, and its alterations might represent the course of a passion.

In the act of conceiving of God (an act made necessary by His removal of «His way from human sense») we conceive, bring into being, put into place, a landscape in which actions are labeled «possible,» «desirable,» mandatory,» «unthinkable,» and so on; and each time one of those actions is taken or avoided or not seen as a possibility, that landscape becomes ever firmer in its configurations and ever more resistant to a basic alteration.

Any change in these, any alteration of perspective and in ways of looking at human existence and its difficulties, is regarded as treason to that past and a guarantee of loss of significant meaning.

St. Francis» kinship with all creatures undoubtedly made him look pretty silly sometimes, but he appears, well, saintly, compared to the hubris - ridden scientists cooking up the genome project for genetic mapping and alteration of the human species.

Both moves would open up a space to abandon the Human Rights Act (HRA)-- widely detested by Conservatives — as long as the British bill of rights still satisfies the European convention, albeit with minor alterations.

Brooks, a senior researcher on the Olorgesailie project, describes two roughly finger - sized pieces of ochre that bear the marks of human alteration — and perseverance.

Dr. Stefanie Heilmann - Heimbach and Prof. Markus Nöthen from the Institute of Human Genetics at the University of Bonn, in collaboration with colleagues, identified over 60 alterations in the human genome that increase the risk of premature hair Human Genetics at the University of Bonn, in collaboration with colleagues, identified over 60 alterations in the human genome that increase the risk of premature hair human genome that increase the risk of premature hair loss.

Advances in neuroscience and neurotechnology offer the potential for extremely precise observation, collection and even alteration of human brain activity.

«We were thus able to identify 63 alterations in the human genome that increase the risk of premature hair loss,» explains Dr. Stefanie Heilmann - Heimbach.

In their conclusion, the authors state that it is important for conservationists to see climate change not as one of numerous independent variables acting on species survival in mountain landscapes, but as an exacerbating force over the many direct human alterations to these areas.

Should planetary limits on the alteration of critical environmental systems be used as guidelines for human activity?

Or is minimizing alterations to the global environment introduced by human activity — rising levels of CO2 from fossil - fuel burning, widespread extinction, dams that impound water — more important to our success?

Many people have concerns about the possible use of genome editing in humans, for example, about the risks of unintended effects due to off target DNA alterations, and the implications of making irreversible changes that will be passed on to future generations.

Late in life the human brain suffers attrition of certain neurons and undergoes chemical alterations.

In addition, brain imaging studies in rats and humans have shown alterations in gray matter volume and white matter integrity in the brain caused by the effects of chronic pain.

DNA methylation is a biochemical alteration of the building blocks of DNA and is one of the markers that indicate whether the DNA is open and biologically active in a given region of the human genome.

COVER Cheap, widely available, and easy to use, the genome editing system called CRISPR earned Science's 2015 Breakthrough of the Year laurels for many great feats and some controversial ones — including the alteration of DNA in human embryos.

Modern humans showed big alterations in the activity of genes associated with face shape and larynx shape, compared with our forebears.

«Preclinical evidence suggests that dietary interventions, such as calorie restriction, intermittent fasting, low - fat diet and the ketogenic diet, have the potential to reverse some of these obesity - associated alterations; however, more clinical data are needed to confirm translation to human subjects.»

In a report on one of the two findings, published online Sept. 20 in Acta Neuropathologica, the investigators identified alterations in a protein known as ATRX in human brain tumors that arise as part of a genetically inherited condition known as neurofibromatosis type 1 (NF1).

In recent years, interest in this fifth DNA base has increased by showing that alterations in the methyl - cytosine contribute to the development of many human diseases, including cancer.

It demonstrates that alterations in these cells lines do indeed match changes in samples of human bladder cancer.

The human genome contains about 3 billion base pairs, but only about 2 percent of these base pairs represent protein - coding genes, meaning that whole - exome sequencing measures the genetic alterations focused on a small but very important fraction of the genome (as opposed to techniques of whole genome sequencing, which measures every nucleotide across the entire genome, regardless of whether these genes are expressed or silent).

Research suggests human - caused habitat alteration has reduced resiliency of the small mammal community in Utah's Great Basin

The answer to this question may open new routes to target age - dependent alterations of stem cell activity in human disease.

Gilad speculates that the relatively rapid alterations in human liver genetics might be the result of ongoing changes in diet, such as growing reliance on cooked food.

As part of the precision medicine initiative at the Cancer Institute of New Jersey, investigators — which include colleagues from Rutgers Robert Wood Johnson Medical School and RUCDR Infinite Biologics, the world's largest university - based biorepository, located within the Human Genetics Institute of New Jersey — wanted to define the relationship of ERBB2 alterations in the pleomorphic form of the disease.

The study area has been subject to various alterations such as the addition of transmission lines, roads, and other human construction.

A Werner syndrome stem cell model unveils heterochromatin alterations as a driver of human aging

«Instead of invoking large, complicated scenarios to explain the majors shifts in molar evolution during the course of hominin origins, we found that simple adjustments and alterations to this one developmental rule can account for most of those changes,» says Alejandra Ortiz, a postdoctoral researcher at Arizona State University's Institute of Human Origins and lead author of the study.

Discovered that aberrant patterns of neuronal network activity result in profound anatomical and physiological alterations of learning and memory centers and may contribute to cognitive deficits in humans with AD and related mouse models.

Hypothesis driven approaches to vaccinology can utilise the knowledge gained from mechanistic mouse models and our molecular understanding of intrinsic defects to human cells.5 However, caution is required when extrapolating data from murine models, as there are substantial differences between immune ageing in mice and humans.6 Nevertheless, model systems and ex vivo analyses of molecular alterations in aged human cells have identified multiple changes in the vaccination response with age and the aged immune system in general.

So this language in effect means alterations of embryonic cells can not be done in the United States if there is any intent to treat a human being, including implantation of an altered embryo into a woman's uterus.

Alterations in peripheral blood B cell subsets and dynamics of B cell responses during human schistosomiasis.

Alterations in replication timing of cancer - related genes in malignant human breast cancer cells.