Sentences with phrase «increased over the last few decades»

In the US, the birth rate for women in their 20s has hit a record low, while the figures for those over 35 have increased over the last few decades.
Following a warming trend early in the 20th century and mid-century cooling, surface air temperatures in the Arctic have shown a strong increase over the last few decades, warming at about twice the global average.
This discussion suggests three important conclusions: (i) the effect of changes in terrestrial water storage on sea level may be considerable; (ii) the net effect on sea level could be of either sign, and (iii) the rate has increased over the last few decades (in the assessment of Gornitz et al. (1997) from near zero at the start of the century to 0.8 mm / yr in 1990).
However, people are continuing to live longer and longer and the cost of living has dramatically increased over the last few decades.

Not exact matches

Some of the consequences of increased prescribing of opioids over the last few decades have been increases in the use of heroin; overdose deaths; and cases of HIV, hepatitis C, and other injection - related harms.
He notes, however, if an older adult's risk for dementia continues declining as it has in some high - income countries over the last few decades, «that increase in number of cases may be a little less eye - popping than it would be if the risk were staying the same.»
The U.S. saw a period of rapid economic growth and increased consumption of fossil fuels over the last few decades, leading to a corresponding large increase in carbon dioxide emissions.
Researchers have also found that over the last few decades the rate of trees dying under more normal conditions has increased dramatically in many parts of the world — including in Sequoia National Park.
Over the last few decades, however, as subsequent discoveries pushed back the date for the earliest stone tools to 2.6 million years ago (Ma) and the earliest fossils attributable to early Homo to only 2.4 - 2.3 Ma, there has been increasing openness to the possibility of tool manufacture before 2.6 Ma and by hominins other than Homo.
Over the last few decades, men especially, have seen a significant drop in their testosterone levels, so if you're wondering why you see all these low - t commercials on TV and flashing up on your Facebook, or other social medial page, it's because it is becoming an ever - increasing problem.
With the increase in the divorce rate over the last few decades, men and women who are newly single often find that their social community is made up of almost entirely couples (most of whom also know the ex, and therefore may feel uncomfortable about being seen to «take sides»).
Over the last few decades, the team here at eHarmony have developed scientific methods that increase your chances of falling in love through an eHarmony introduction.
Over the last few decades, in the wake of an alarming 1983 report about the state of American education known as «A Nation At Risk,» policymakers sought to increase the accountability of schools and teachers to keep the U.S. competitive with international peers.
With only a few exceptions, the company has given investors year - over-year dividend increases of more than 10 % over the last two decades.
Scientific studies have shown that natural disasters have been increasing in frequency over the last few decades.
However policy over the last few decades has been to transfer more of the costs onto students in order to reduce the costs borne by the government and to increase investment.
Over the last few decades, inbreeding and loss of genetic diversity have resulted in an increase in the expression of recessive alleles as well as inbreeding depression, which affects things like fertility, puppy mortality, and lifespan.
A globally warm medieval period could be a simple forced response to increased solar, in which case it doesn't imply any larger intrinsic variability than already assumed, and since solar has been pretty much constant over the last 50 years, improvements to our understanding of solar forced climate changes are irrelevant for the last few decades.
This was explicitly discussed in Hansen et al, 1997 where they predicted that over the last few decades of the 20th Century, there should have been a significant increase in ocean heat content (OHC).
In a paper presented at the American Meteorological Society's annual meeting in San Diego, California, in January 2005, a team of scientists from the National Center for Atmospheric Research reported a dramatic increase in the land surface affected by drought over the last few decades.
When pointed out that, in the Antarctic, there are many places where there is increased ice pack over the last few decades, even if some shelf here or there falls into the ocean, we are told that the mass isn't as important as the area.
Over the last few decades, however, that ice has been thinning due to increasing greenhouse gases, so when it does melt in the summer, as it normally does, more of the sun's energy gets absorbed into the Arctic Ocean, which then contributes to even more melting.
Loeb 2012 shows that ENSO is responsible for the interannual variability, but not the increase in OHC over the last few decades.
Satellite measurements show that the increase of CO2 over the last few decades has already caused a pronounced greening of the planet — especially in arid regions.
The net conclusion is that mass coral bleaching will increase over the next few decades until it becomes a yearly event (well, as long as coral lasts!).
Then, increased winter precipitation in the mid-latitudes will ice up the winters, thus increasing albedo, plunging us 8 degrees C. over the span of a few decades, as it would appear to have happened in one of the last ice ages.
We also find little direct evidence that tropical forests should not be able to respond to increases in [CO2] and argue that the magnitude and pattern of increases in forest dynamics across Amazonia observed over the last few decades are consistent with a [CO2]- induced stimulation of tree growth.»
(TNS)-- Countless stories over the last few decades, some of which I've written, touted the wide - open office workspace — the «cubicle farm» — as an office tool to increase productivity, communication and morale.
The massive development that has been completed over that last few decades has served to increase property taxes and the city's debt,» she writes.
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