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Natural Environment How Human History has been impacted by the environment, science, nature, geography, weather, and natural phenomena


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Old June 1st, 2015, 09:32 PM   #31

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I'm not yet sold on the cost efficiency of wind and solar; they've been improving but there are still significant issues with storage and peak usage along with the fact that their electricity generation itself is still less cost effective than more traditional sources. I think nuclear energy is the way to go, after hydroelectric it's probably the best source of energy; unfortunately, we've regulated the industry to death in the US, to the point that it's no longer cost effective, but that's an artificial result of excessive regulation, not a reflection on the true cost efficiency of nuclear power. I'm glad to see India investing in nuclear power, it's a stable, reliable long term solution to energy production and the environmentally friendly nature of nuclear power is a nice bonus.
I am having the book ' The Quest ' subtitled ' Energy Security And The Remaking of the modern world ' by Daniel Yergin. It is a treasure trove of information on the issues that we have discussed in this thread. I recommend it highly to you and others interested. It is published by Penguin Books 2012, ISBN 978-0-241-95777-8.
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Old June 2nd, 2015, 02:12 PM   #32

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You have beaten me in respect of this point. You are very right, of course. A reduction in the human population is highly necessary. One child per couple should be our voluntary commitment towards the well being of humanity.
The immediate result of that is, the reduced younger generation cannot provide for the larger older generations.
As an example, whereby today society may have three people working for every one pensioner, and we can support the older generation, if you reduce the birth rate you run the risk of overturning those figures.
You end up with one person working for every three people on the pension, the support system will collapse.
This has already occurred in some regions, China, I think acknowledged this happened after they limited the birth rate.
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Old June 2nd, 2015, 04:12 PM   #33

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The immediate result of that is, the reduced younger generation cannot provide for the larger older generations.
As an example, whereby today society may have three people working for every one pensioner, and we can support the older generation, if you reduce the birth rate you run the risk of overturning those figures.
You end up with one person working for every three people on the pension, the support system will collapse.
This has already occurred in some regions, China, I think acknowledged this happened after they limited the birth rate.
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You end up with one person working for every three people on the pension, the support system will collapse
which of course depends on two things: 1. the level of technology available (personal robots may well replace human caregivers in many fields in less than 20 years, so restriction of children now may not be an issue) and 2. the level of care / entitlements one expects to provide the elderly (or people on pensions). Historically, people only "retired" if and when they themselves could pay for it. everyone else more or less worked until they dropped. One would anticipate that there should have been huge numbers of uncared-for elderly following WWI and WWII leading to total collapse. (there was a collapse following WWI but the elderly weren't the reason).
China's problem came about because of the belief that only a son could properly care for parents and, despite the ban on religion, properly ensure the religious rites as well. Hence, instead of having an equal number of male and female offspring, the Chinese experienced huge numbers of abortion and infanticide applied to females so that the one child would be a boy. Then the child was so precious (as a vector of the family line and again, as a means for care and religious observance) that risks that previously were acceptable (such as serving in the military) became unacceptable.
One-child policy - Wikipedia, the free encyclopedia

Of course, institutionalization and consolidation of elderly in "old age homes" would reduce the number of people required to provide necessary care -- which happens to some degree already in several countries -- the adult children, if anything, dependent on their parents, not the reverse.
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Old June 2nd, 2015, 04:35 PM   #34
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The immediate result of that is, the reduced younger generation cannot provide for the larger older generations.
As an example, whereby today society may have three people working for every one pensioner, and we can support the older generation, if you reduce the birth rate you run the risk of overturning those figures.
You end up with one person working for every three people on the pension, the support system will collapse.
This has already occurred in some regions, China, I think acknowledged this happened after they limited the birth rate.
Everyone knew that social security and old age pensions were a pyramid scheme when they started; whether we like it or not the time will come to pay the piper and these schemes will break down when it does. There's no helping that at this point.
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Old June 5th, 2015, 08:07 AM   #35

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A bit of good news for all of us ! A hydropower capacity of 746 megawatts has been added in the last F.Y . ended on 31 st.March 2015 by the Indian thermal power giant National Thermal Power Corporation Ltd.
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Old June 5th, 2015, 06:49 PM   #36

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More good news for interested posters. After months of hot days and nights all over India, the great natural phenomenon of the Indian monsoon rains has started about 5 days behind schedule but with heavy rains over the southwestern tip of India, the state of Kerala. Last night there was a great thunderstorm in my city also and nearby regions of my state, hundreds of kilometers away from Kerala.Yesterday, there were reports of rain all over the state of Maharashtra and parts of Karnataka also. In my estimate we had about 50 mm rain in half an hour here last night.

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Old June 6th, 2015, 07:42 AM   #37

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There is a lingering fear in India that the monsoon rains , this year, might be 88 % of the Long Period Average, thus signifying a drought like condition in a second year in succession due to the El Nino effect. We Indians hope and pray that this will not come about, though the Govt. of India is well prepared for the emergency. We have more than ample food stocks in reserve. There could be, of course a problem regarding pulses and oilseeds shortage. Statisticians assure us that there are less chances of a back to back scarce rainfall, we had a bad last year. So let us see.
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Old June 6th, 2015, 08:05 AM   #38

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I refer to the same book I recommended above namely ' The Quest ' by Daniel Yergin. It is said therein that though India burns a lot of coal and lot of biomass to generate electricity, it produces only 5 % of CO2 of the world as against 23% of China.In the words of our ex-Prime Minister Man Mohan Singh, India has not caused the problem of Global warming.But we will try and make sure that India is a part of the solution.
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Old June 6th, 2015, 08:06 AM   #39

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One thing certain about the weather...

You can never be certain of how it will be until it happens!

We are having a "drought" here in California (west coast, USA). It is nothing abnormal at all if you have lived here as long as me... Some years are wet and some are less than wet. Our rains typically come in the winter and spring... not much mind you, 10 inches is average here with a range from 5 to 15 inches being "normal".

That being said, and normally the last rain of the season occurs in April, we just had the wettest May in my memory with rain once each week of the month... and now a hurricane is headed our way off Mexico, early in the season for tropical rain (we get a rare summer downpour, maybe once or twice a year between July and September).
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Old June 6th, 2015, 08:15 AM   #40

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Originally Posted by David K View Post
One thing certain about the weather...

You can never be certain of how it will be until it happens!

We are having a "drought" here in California (west coast, USA). It is nothing abnormal at all if you have lived here as long as me... Some years are wet and some are less than wet. Our rains typically come in the winter and spring... not much mind you, 10 inches is average here with a range from 5 to 15 inches being "normal".

That being said, and normally the last rain of the season occurs in April, we just had the wettest May in my memory with rain once each week of the month... and now a hurricane is headed our way off Mexico, early in the season for tropical rain (we get a rare summer downpour, maybe once or twice a year between July and September).
The same El Nino effect which might lead to a drought in India will lead to a downpour and end the drought in California !
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