Sentences with phrase «present population levels»

At present population levels a repeat of the Little Ice Age a mere 400 years ago will cause mass starvation worldwide.

Not exact matches

(The Vancouver - based ecologist William Rees points out that to support the world's present population at North American consumption levels «would require the equivalent of two more planet Earths.»

Rapid population growth requires heavier investment in education, health and transport merely to maintain these services at their present levels.

The only projection that does not lead to catastrophe is the quite impossible one of immediately stabilizing population and industry on a worldwide basis at present levels.

Everything that has happened since then, including the greenhouse effect and the hole in the ozone layer, makes it clear that a future world could not sustain a population of even the present number at a higher level of industrial development without reaching environmental limits.

And surely we believe that not all adults attain the same level of moral maturity but that instead various stages of moral development are present within the adult population.

The report concludes that to prevent Britain's population from reaching 70million net migration levels need to be reduced by 75 % from the present level of 237,000 people per year.

This helps the police to understand the way they use stop and search, and how the population of an area and the apparent levels of disproportionality might, in some circumstances, not present a true picture.

The chemical is present in the bloodstream of virtually the entire population, though typically at much lower levels than those in Hoosick Falls.

«The resistant individuals present in the population initially are at low levels and slowly dominate over the susceptible plants if selection with the same herbicide continues.»

I do not consider India's present population (about 1.2 billion) level sustainable.

«At present, there is little direct evidence demonstrating that electronic alcohol screening and brief counseling intervention has a meaningful population - level effect on excessive alcohol consumption or related harms in any group, and therefore its utility as a stand - alone public health approach is in doubt.

The Teop people were selected to test Grimalda's theories on human cooperation for the small size of their communities (populations of around 50 inhabitants) and low levels of social complexity, though also because they present very different characteristics to those found in Western societies: they are horticulturists and gatherers; they use rudimentary tools to grow their food; they have no mechanised industry; and retribution for manual labour is infrequent.

There is a finely graded inverse association between age and cognitive performance, 3 4 5 but the age at which cognitive decline becomes evident at the population level remains the subject of debate.5 6 7 A recent review of the literature concluded that there was little evidence of cognitive decline before the age of 60.8 This point of view, however, is not universally accepted.5 6 Clinicopathological studies show good correlation between neuropathology and the severity of cognitive decline, 9 10 11 and neurofibrillary tangles and amyloid plaques, the hallmarks of pathology, are known to be present in the brains of young adults.12 13 Emerging consensus on the long gestation period of dementia14 15 also suggests that adults aged under 60 are likely to experience age related cognitive decline.

Enhanced expression of one of these molecules, CD1d, is coupled to selective induction of invariant natural - killer T cells (iNKT), a subset of T lymphocytes that are present at low levels in lymphocyte populations and whose absence enhances autoimmunity in animal models.

«With 10 per cent of the world's population, or 700 million people, living less than 10 metres above present sea level, an additional three metres of sea level rise from the Antarctic alone will have a profound impact on us all.»

Interestingly, the microarray experiments pursued in the present study had identified low levels of Tie2 expression in all analysed pericyte populations.

Present - day ozone levels (section 5.1) and trends (section 6) in different regions may be associated with very different population densities.

The study suggests that if sea levels continue to rise at the present rate, the islands will be lost within 100 years, and will have to be abandoned by the local population in approximately 50 years.

Present - day hunter - gatherers (HGs) live in multilevel social groups essential to sustain a population structure characterized by limited levels of within - band relatedness and inbreeding.

As the world population continues to age, the cumulative growth of patients with Alzheimer's disease (AD) and the high levels of comorbidities present in these patients present an increasing challenge for caregivers and clinicians alike.

As one might expect, they take human - capital development seriously at every level — but at present, their full - on gifted - ed program is limited to 1 percent of the population, which seems skimpy.

Among losses in human lives and material goods, and danger from billions of land mines in war regions all over the world, there is one more, hard, long term legacy of war: trauma — present on both individual and communal level, creating traumatized, dysfunctional societies which capacities to recover and progress are inevitable lessen, according to some authors even lost in genetic degeneration trauma could have on generations of human population long - term.

Whereas present choice systems that are viewed as models for other districts to emulate are designed to achieve the closest possible match between parental preference and school assignment, future choice systems might be redesigned to obtain greater diversity in school - level student populations.

The preponderance of evidence, including research presented by the plaintiffs in this case and noted by the court, shows that special population funding levels are dramatically lower than what is needed to provide an excellent education to many Texas students.

The SIFE population presents a range of special challenges to U.S. education systems, especially at the high school level where the overall dropout rate of immigrant teens is very high (Morse, 2005; Osterling, 2001).

She has been an activist for public education and underrepresented populations at the national, state, and local level, including marching on Washington on a «Journey for Justice», presenting at conferences, giving testimony at legislative sessions, and being published on topics related to educational equity.

Especially the female point of view of Argentina's eventful history and present., the accounting of the military dictatorship in the 1960s and the consequences of the neoliberal economic policy, which until this day produces poverty in broad levels of the population.

So the idea that we will soon reach a population of nine billion and that investment can bring that population to the present level of over consumption and waste of resources committed in the U.S. is sheer fantasy.

Their results reveal that, when population is kept at 2015 levels, exposure to heat considered severe in the present decade across these regions will increase by a factor of 4.1 (2.4 — 9.6) and 15.8 (5.0 — 135) under a 1.5 ° - and 2.0 ° - warmer world, respectively.

Even if California adheres to its current auto emissions standards, population growth presents another challenge for reducing pollution levels.

So the suggestion that the human population was reduced to dangerously low levels in the last ice age (if true) is not all that relevant to our present situation.

In the case of a 2 °C temperature increase, both the affected population and the related flood damages would rise by 170 % compared to present levels.

Given the population growth and so on, a reasonably good outcome would be to hold emissions at present levels in the agriculture sector for the next decade or two until we are able to start reducing them.

Even to maintain populations at their present (unsustainable) levels requires that the fertility rate is no more than replacement level.

At present human population levels a repeat of the Little Ice Age a mere 400 years ago will cause mass starvation worldwide.

«A total population of 250 - 300 million people, a 95 % decline from present levels, would be ideal.»

But if present trends continue, the sea level could rise to submerge low - lying islands and devastate coastal populations during this century.

Regardless of the differences in health patterns of the individual indigenous populations, the critical health service issue is one of adequate primary healthcare services for prevention and for early diagnosis and treatment of the high levels of illness and illness precursors that are already present in much of the indigenous populations.

The relationship between depressive symptoms and step count has only been assessed in specific populations with small sample sizes, such as low - socioeconomic status Latino immigrants, 16 elderly Japanese people17 or patients with chronic conditions such as heart failure18 19 or chronic obstructive pulmonary disease.20 21 Studies yield contradictory results, with some observing no association between depressive symptoms and daily step count, 19 21 while others report a negative correlation.16 — 18 20 In one cross-sectional sample of healthy older adults, an inverse association between depressive symptoms (using the Goldberg Depression Scale - 15) and accelerometer measured daily step count disappeared after controlling for general health and disability.22 While a systematic review suggests reduced levels of objectively measured PA in patients with depression, 23 it is not known whether this association is present in those at high risk of CVD and taken into account important confounding such as gender and age.

As the participating parents reported a higher level of education than the general population, and a larger portion of them were married, available norms from the present study should also be viewed in light of these limitations.

This publication presents information on the Indigenous ERP at the state / territory level, and the unadjusted sub-state geographic distribution of the Aboriginal and Torres Strait Islander population as counted in the Census.