Combined with natural increase, America's population will nearly double in the next 70 years.
"We tend to see a natural increase in spending every year, " he explains.
Historically most urban growth has been due to natural increase, not migration.
Some women may even develop OHSS during a pregnancy achieved following ovulation induction, as pregnancy itself causes a natural increase in HCG levels.
The unemployment rate actually rose, to 9.1%, in May: the rate of job creation is barely keeping track with the natural increase in the working-age population.
Russian demographics have now improved to the point that if the trends of the first half of 2012 hold for the rest of the year, that is if the birth rate for the whole year increases by around 6.7% and the death rate for the whole year decreases by around 2.9%, then Russia will actually record a small natural increase in population.
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Russia will probably achieve natural population growth in 2012, but, before the recent uptick in births and decrease in deaths, the country experienced a substantial natural population increase as recently as 1991.
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Today, many people are speculating that demand for natural resources will increase as China and other developing nations grow.
The Economist notes that we have a huge natural gas production increase.
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If this continues for a bit longer, it could increase natural gas withdrawals, and if we see a hot summer, it could add to the woes for Rentech going forward.
Speaking at the CERAWeek energy conference, Tillerson said that by 2040 Exxon expects volumes of natural gas to increase 60%, with recovery from unconventional sources like shales to grow by 400%.
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Other items on the Bush agenda included a call to Congress to grant federal authority (via the Federal Energy Regulatory Commission) over the location of new liquefied natural gas terminals in an effort to increase the supply of natural gas and reduce prices.
On the fundamentals, natural gas futures have turned up apparently on forecasts of a hot summer, which is expected to increase demand for natural gas.
Gas supplier Airtricity has announced that its natural gas prices will increase by 8.7% from 1 April 2013.
Increased biodiversity was a "happy by-product" of sustainable farming practices and farmers working with "natural processes" to increase productivity, she added.
The Department of Energy predicts natural gas vehicles will increase in popularity.
Still more newly discovered microbes that live in oil or natural gas wells might increase the efficiency of existing drilling and mining.
In our one year investment horizon, we see at least 25% share appreciation in the base case, and upwards of 75% with a meaningful increase in natural gas prices.
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"Americans will be getting somewhere between a 60% to 100% increase of natural gas prices this winter, " U.S. Rep. John Peterson of Pennsylvania told a hearing on energy issues in early June.
In the recent past, Exxon has added considerably more natural gas than liquids to its reserves, with the demand for natural gas expected to increase at a faster rate than for crude oil.
Poland relies on highly CO2-emitting coal for most of its electricity and argues that higher carbon prices would mean higher power prices, or even a shift to natural gas that would increase its dependence on Russia.
Pickens spoke to CNN about his plans to increase reliance on natural resources like wind and solar.
Officials say it is natural for trade disputes to increase as trade does.
Japanese demand for natural gas is expected to increase by 5 billion cubic meters in 2011 which will reduce the current high inventory levels and boost prices.
According to the U.S. EIA, almost all of the increase in domestic natural gas production through 2040, is expected to come from growth in shale gas production.
From 8 October, the company is imposing a 5.5% increase in all natural gas tariffs and the cost of liquid petroleum gas (LPG) will rise by 7.6%.
The economic benefits of shale, to landowners, steelworkers, and communities across the country readily displace the modest increase in domestic natural gas prices that consumers might face.
Given that we live in a mostly free market, an economist would tell you the natural thing would be to increase the price, which is what usually happens to commodities when demand outstrips supply.
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Natural gas power plants can increase or decrease their production relatively quickly, and that ability could help to make up for any shortfall in wind or solar generation, which varies depending on weather conditions, in order to meet demand.
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