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Author: Luis Arturo Acevedo Acevedo
Publisher: Lulu.com
ISBN: 0244507503
Category :
Languages : en
Pages : 68
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Book Description
Author: Luis Arturo Acevedo Acevedo
Publisher: Lulu.com
ISBN: 0244507503
Category :
Languages : en
Pages : 68
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Book Description
Author: Luis Acevedo Acevedo
Publisher: Independently Published
ISBN: 9781980686965
Category : Social Science
Languages : en
Pages : 44
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Book Description
INTRODUCTION Every time I get up in the last 25 years or so, I have been noticing the great changes that Medellin Colombia has suffered, the city where I was born, it is impressive the amount of forest that has been lost by the number of people who have been invading the land to build a house of tin and wood and thus demand from the government services of water, electricity and improvements. The arrival of so many people who come from villages in war, or from remote areas looking for better opportunities, or simply opportunists looking for more land to invade. With the arrival of this number of people, it has also changed the means of transport which were not so full, were faster, without so much traffic and where the metro system was more comfortable, quiet, agile and without congestion and where the avenues regional and highways did not have as much traffic nor so much car, truck and motorcycle. But with the arrival of all these people, increased the problem that more and more children were seen in very poor neighborhoods, families with 5, or 7 children and with many difficulties for their food, health and education. And if we add that the rates of violence, drug addiction, criminal groups have been increasing because it is the only way these young people find to get money and give to their families with low resources, due to the lack of opportunities due to the large amount of population that already exists. But how to tell the governments to impose laws to control births and to find a balance between the people born in a year and the people who die in that same year, I believe that the time has come when they do not allow themselves to grow the global levels of people, because we are already at the limit and if we exceed it, we will be finding our own massive and global destruction. We have to take care of the few forests and natural reserves that remain, because there will be nothing left to give to future generations The world will have to fight as the population grows, ages, migrates and becomes urbanized. Although it is believed that the challenges are not impossible to overcome, it is clear that it will require that those responsible for public and private policies act decisively, collaboratively and quickly. One of the most significant demographic changes has to do with the rapid population growth that, for most of human history, was extremely slow. The world population reached 1,000 million inhabitants in the early nineteenth century and 2,000 million in the 1920s. But, during the last century its increase has been much faster: the number of inhabitants of the Earth reached 3,000 million in 1960 and it jumped to 7,000 million in 2011. At the beginning of 2017, the world population was 7,400 million, and it is projected to increase another 83 million this year, the difference between 140 million births and 57 million deaths. The projections indicate that the figure will surpass 8,000 million in 2024; 9,000 million in 2038, and 10,000 million in 2056. To reach those 10,000 million would be to add China and India to the current world population. Another major concern is the rapid population aging, which imposes major adjustments, such as raising the legal pension age. The number of 'megacities' (urban areas with populations above 10 million inhabitants) is another challenge. These areas have increased so much that the concept of 'metacities' has already been created, areas with 20 million or more residents. Eight cities had reached that category in 2015. Tokyo tops the list, with 38 million, more than the population of Canada. The consequences of this spatial distribution of people are the subject of debate. Some believe it has economic benefits, others argue that it imposes enormous pressure on the resources of land, air and water. Understanding these demographic trends and adjusting to them can bring opportunities for the progress of humanity.
Author: Paul R. Ehrlich
Publisher:
ISBN: 9781568495873
Category : Social Science
Languages : en
Pages : 0
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Author: Paul R. Ehrlich
Publisher:
ISBN:
Category : Social Science
Languages : en
Pages : 246
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Book Description
Author: Pierre Desrochers
Publisher: Gwpf Books
ISBN: 9780993119033
Category : Climatic changes
Languages : en
Pages : 259
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Book Description
Many scholars, writers, activists and policy-makers have linked growth in population to environmental degradation, especially catastrophic climate change. In the last few years, however, a number of writers and academics have documented significant improvements in human wellbeing, pointing to longer lifespans, improved health, abundant resources and a general improvement in the environment. Population Bombed! addresses the main shortcomings of arguments advanced by both population control advocates and optimistic writers, explaining how economic prosperity and a cleaner environment are the direct results of both population growth and humanity's increased use of fossil fuels and showing how campaigns against the spread of fossil fuels will cause misery in the developing world, fuel poverty in advanced economies, and will inevitably wreak havoc on the natural world.
Author: Wolfgang Lutz
Publisher: Oxford University Press
ISBN: 0198813422
Category : Business & Economics
Languages : en
Pages : 737
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Book Description
Condensed into a detailed analysis and a selection of continent-wide datasets, this revised edition of World Population & Human Capital in the Twenty-First Century addresses the role of educational attainment in global population trends and models. Presenting the full chapter text of the original edition alongside a concise selection of data, it summarizes past trends in fertility, mortality, migration, and education, and examines relevant theories to identify key determining factors. Deriving from a global survey of hundreds of experts and five expert meetings on as many continents, World Population & Human Capital in the Twenty-First Century: An Overview emphasizes alternative trends in human capital, new ways of studying ageing and the quantification of alternative population, and education pathways in the context of global sustainable development. It is an ideal companion to the county specific online Wittgenstein Centre Data Explorer.
Author: Elizabeth Kolbert
Publisher: Crown
ISBN: 0593136292
Category : Science
Languages : en
Pages : 273
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Book Description
NATIONAL BESTSELLER • The Pulitzer Prize–winning author of The Sixth Extinction returns to humanity’s transformative impact on the environment, now asking: After doing so much damage, can we change nature, this time to save it? RECOMMENDED BY PRESIDENT OBAMA AND BILL GATES • SHORTLISTED FOR THE WAINWRIGHT PRIZE FOR WRITING • ONE OF THE TEN BEST BOOKS OF THE YEAR: The Washington Post • ONE OF THE BEST BOOKS OF THE YEAR: Time, Esquire, Smithsonian Magazine, Vulture, Publishers Weekly, Kirkus Reviews, Library Journal • “Beautifully and insistently, Kolbert shows us that it is time to think radically about the ways we manage the environment.”—Helen Macdonald, The New York Times That man should have dominion “over all the earth, and over every creeping thing that creepeth upon the earth” is a prophecy that has hardened into fact. So pervasive are human impacts on the planet that it’s said we live in a new geological epoch: the Anthropocene. In Under a White Sky, Elizabeth Kolbert takes a hard look at the new world we are creating. Along the way, she meets biologists who are trying to preserve the world’s rarest fish, which lives in a single tiny pool in the middle of the Mojave; engineers who are turning carbon emissions to stone in Iceland; Australian researchers who are trying to develop a “super coral” that can survive on a hotter globe; and physicists who are contemplating shooting tiny diamonds into the stratosphere to cool the earth. One way to look at human civilization, says Kolbert, is as a ten-thousand-year exercise in defying nature. In The Sixth Extinction, she explored the ways in which our capacity for destruction has reshaped the natural world. Now she examines how the very sorts of interventions that have imperiled our planet are increasingly seen as the only hope for its salvation. By turns inspiring, terrifying, and darkly comic, Under a White Sky is an utterly original examination of the challenges we face.
Author: Hans-Joachim Zillmer
Publisher: Trafford Publishing
ISBN: 142692352X
Category : Science
Languages : en
Pages : 255
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Book Description
Our ancestors didn't live in trees, and apes never turned into humans. In The Human History Mistake, German bestselling author Hans-Joachim Zillmer has compiled factual material and empirical facts from all over the world proving that Charles Darwin's evolution theory is a myth. For more than thirty years, Zillmer has concentrated on investigating contentious findings and inconsistencies in the images of the world, recording numerous sensational discoveries and showing that documenting the anthropogenesis must be changed. In The Human History Mistake, Zillmer points to numerous finds from the Stone Age that are far younger than previously thought. The skulls of Neanderthal man and of people from the Paleolithic age must be made "younger" by as much as 27,000 years to the age of a few thousand or even hundreds of years. This science book rejects the ideas of macroevolution, but instead demonstrates that microevolution plays a much larger role in the creation of new species. Accompanied by sixty-nine photos and forty-nine illustrations, The Human History Mistake shows that the history of mankind must be rewritten.
Author: Annie Cicale
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Book Description
Author: Jared Diamond
Publisher: Penguin UK
ISBN: 0141976969
Category : History
Languages : en
Pages : 608
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Book Description
From the author of Guns, Germs and Steel, Jared Diamond's Collapse: How Societies Choose to Fail or Survive is a visionary study of the mysterious downfall of past civilizations. Now in a revised edition with a new afterword, Jared Diamond's Collapse uncovers the secret behind why some societies flourish, while others founder - and what this means for our future. What happened to the people who made the forlorn long-abandoned statues of Easter Island? What happened to the architects of the crumbling Maya pyramids? Will we go the same way, our skyscrapers one day standing derelict and overgrown like the temples at Angkor Wat? Bringing together new evidence from a startling range of sources and piecing together the myriad influences, from climate to culture, that make societies self-destruct, Jared Diamond's Collapse also shows how - unlike our ancestors - we can benefit from our knowledge of the past and learn to be survivors. 'A grand sweep from a master storyteller of the human race' - Daily Mail 'Riveting, superb, terrifying' - Observer 'Gripping ... the book fulfils its huge ambition, and Diamond is the only man who could have written it' - Economis 'This book shines like all Diamond's work' - Sunday Times
