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Do you feel optimistic or pessimistic about our future? Here CNN.com readers voice their opinions.

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We should be concerned more about mother nature than anything else. Diseases and wars will never end even with the best technology. The rich will continue to be rich while the poor will continue to be poor.
Dickson, Dallas, USA

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I have to agree with the comments made by Daniela Cerqui in your article. The future is indeed very worrying to me and I will even venture to say that we will all be like "Cyborgs" or robots with microchip implants under some form of "super control".
Gregory Redon, Trinidad, West Indies

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I am optimistic about the future of technology and science because of the advances in the past 15 years. It seems that every day there are more and more amazing things being invented.
Laura Ashley, Clinton, USA

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I'm pessimistic because we are willfully constraining ourselves in the straitjacket of money. Everything we do is governed by money and this is severely limiting our advancements in every way possible. Without the pressure of money, or with a limitless budget, unimaginably great things can be achieved which will benefit us all in ways we cannot even begin to imagine. This is all a very sad thing.
Jeroen Wierda, Netherlands

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Unless we strive to remove poverty and stop wars, technology will only improve our current rich vs. poor crisis in the world and provide new and more horrible ways of killing each other. The wonders of modern science and technology are providing the tools by which we can tackle climate change, poverty, disease and loads of other issues that have plagued mankind for millennia. Yet, what are we doing? Increasing military spending, denying oil's demise and polluting our planet more than ever. That's hardly an encouraging thought...
John Cauchi, Malta

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I feel pessimistic about the future for one simple reason - ourselves. Although there are pockets of populations that strive for spirituality and personal enlightenment, there is increasing hatred, arrogance, and reliance on might. While there are scientists and researchers who strive for the greater good, there are also altered or skewed uses of technology and sciences that do more harm rather than good. There is a need to recognize that "compliance" to laws is not the same as the truth, hopefully there will be eventual growth and wisdom in the right direction.
Dr Seamus Phan, Singapore

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I believe future technology will do a lot of good. save and extend lives, increase the quality of life, etc. But I'm also quite sure that there will arise a fight over technology. It will mostly be about money and who can afford technology and who cannot. In the end it will divide us all up into those who can profit from it and those who can't. I really appreciate what technology can and could do for us. But we should always be aware of the danger, too.
Nadja, Erlangen, Germany

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I positively believe that the coming technology and science will excite, comfort, care, and entertain lives around the world.
Chhour Sambo, Phnom Penh, Cambodia

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I am not very optimistic for the future, as much as I love technology, it really feels like the soul of our work has gone out the door in a world where quantity over quality is paramount.
Colin Jones, China

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I do feel optimistic about the future sometimes, but mostly I feel pessimistic about the future because technology, especially computer technology and medical technology, is just too expensive for most people in the world to purchase.
Karim Qaiser, Karachi, Pakistan

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I am pessimistic. All this speculation about communication and physical health is fine, but what will people do for enjoyment? What will people strive for? Will we be bored by all this stuff? What will happen to family relationships and moral constraints? Will a loss of religion result in widespread hedonism? Will nihilism and sex obsession break up social bonds?
Bill Schweiker, New York
(April 18)

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It seems clear that we're going to be able to do just about anything we want. So the problems aren't going to center on CAN we do this or that. The problems will swirl around the question of SHOULD we do this or that.
Ralph, Rochester, New York

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I believe that technology has always brought benefits to mankind, but the events we have seen show that the consequences of our endeavors over nature and even the exploitation of some fading resources can bring terrible surprises in the future.
Alexandre Fernandes dos Santos, Brazil

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I think the future is going to be as bright and gloomy as predicted by the smartest minds. But in the end our consumption of energy, raw materials and wildlife will have surpassed all our upcoming technological and scientific skills by far. Because our greed has no limits.
Jean Carpin, Germany

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I do see a very encouraging future if today's trends are anything to go by. Looking at the advances in medical, technological and information in general, challenges are being overcome. Although I feel that legislation should be in place prior to adopting new trends in these areas.
Graham Kassindo, Nairobi, Kenya

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The next greatest paradigm shift in the human condition will emerge from the consequences of a dramatically extended lifespan. That technology will prevail over all disease and even treat aging itself as a treatable condition is inevitable. Harold Brenner, Greece

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The last 100 years have brought mind boggling advances in science and technology. I believe the next 100 years will be even better.
Luta Mayfield, Anderson, SC

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I'm very optimistic about the promises of science and technology. We will be healthier, we will live longer... But it's not important at all. Improvement of quality of life is beyond power of science. With things like hatred, racism, intolerance, how can I be optimistic about future? Our future will be created by us, not by technology.
Martin Straka, Prague

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My optimism is with the youth of today and their utilization of accumulated knowledge and technology. I see a bright, more equal population coming into their own with less hate, more trust and vision. They have learned that some of the old ways just do not work, like war and killing, that most suffering can be addressed and alleviated and they can work together. It is one of the first generations to come of age that has never known anything but integration and equality until they are given a reason on a case by case basis.
Gary Pollock, Victorville, California

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History shows that people can make the right choices. That's a good reason to be optimistic about science and humanity.
Pete Emerson, London

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I feel optimistic about the future of technology and science especially on the field of medicine, because there will be more solution to disease and cancer. But I feel pessimistic at the same time, because ethics will be forgotten, rules of mother nature will be overruled and even human lives will be sacrificed to make science and technology advance yet without emotion and conscience.
Claudette Labendia, Philippines

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The main thing that most people will be looking forward to in the future is the advancement of medicine. The most intriguing being the extension of life. Albeit, it may be perceived as a good thing being able to live well into your 100s or maybe even your 150s, there is one question we have to ask ourselves: Are we meant to live that long? All organisms have an average life span, but what will happen to our minds and bodies when they pass the 'expiry date' so to speak?
Iain, Sydney

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It's so difficult to define exactly optimistic or pessimistic views. Science and technology improve conditions but don't improve man as human.
Vladimir, Kazakhstan

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The future is such an amazing "thing": it could be a nightmare as it could be a wonderful dream. But the most important fact, in my opinion, is that the future is only a potentiality, something which is not created yet. Being so, it will be, or could be, whatever you want and we will have to choose carefully between every possibility which lied down in front of us.
Mathieu Rudloff, France

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I'm optimistic about the future of technology and science, in particular areas that will help to preserve our environment for modern living. I believe there is active research going on to replace petroleum as a source of energy of automobiles and machines, perhaps this might preserve our habitat and our fossil fuels in the long run. If we could utilize solar energy more effectively, we might save more petroleum/fuel in the long run.
Sharon Ng, Singapore

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Technological advancement is exciting, but as has always been automation causes unemployment. People need to work.
Michael, Tel Aviv

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When technology and science are applied to the daily needs of people, they're no longer "science", they're part of our lives.
Cristina M. Silva, Marbella, Spain

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I feel optimistic about the future of science and technology and how it can influence our lives. If only people will keep an open mind instead of pushing for baseless 'moral and ethical' principles, mainly rooted in fear and ignorance, science and technology can help create a world free of disease, hunger, and illiteracy. In the end, only through the education and cooperation of all nations can we make use of technology to its full potential.
Grisel Garcia, Manila, Philippines

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Because of population growth, and the increased global demand for energy, I feel pessimistic about the future. We need to curb both population growth and energy consumption to make it possible for everyone to enjoy the standard of living we have now.
Roger Penn, Stuttgart, Germany
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I am optimistic because of mankind's intelligence and constructive social conscience; I am pessimistic because of the inherent greed, selfishness and short-sightedness of individual people. In other words, I fear we have already spoiled our nest on earth via technology, and may even destroy it totally before these wonderful advances in medicine and living can be advanced to all people on our planet. Man is good, man is evil.
Priscilla Eichelberger, North Carolina, U.S
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Technology might be more efficient and environmentally friendly in the future; however, the growing population and higher demand will cause even bigger problems, which currently, are not even existing. Feeding the world might be a very good thought but if the world's population keeps growing, I wonder where to put these people? We will use all our natural resources and leave no space for nature, which in the long run might help us to recover from the mistakes we did in the past centuries.
Bernhard Senkerik, Larnaca, Cyprus

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Since there have been such huge improvements in science and technology, it is possible that we may have bigger breakthroughs in the future. There is no point not being optimistic, but we do really need to make breakthrough for our environmental well-being.
Omar, Lebanon
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I will leave behind a stranger earth than I found it on entry here. The future of technology looks bright; the future of our ability to ethically handle the technology looks dim, to me. Humankind is a glorious creation, but not creator, of life.
Sarah Campbell, U.S.
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The future is indeed bright and interesting as far as technological innovations and advances in bio-chemistry and mechanics are concerned. Still an important goal will be in the sphere of human resource with the aim of reaching and realizing the full potential of human brain. One can only hope that medical science will be able to play a critical and positive role in this respect transforming radically our sense of knowledge and perception of the world around us and beyond.
Sayan Baishakhi, Kolkata, India
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Projecting the future of technological and medical advancements is far simpler than predicting the social changes to come. Will equality for all ever be fully realized or are we sliding backwards into a moral abyss?
Ann Harding, Melbourne, Australia
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My optimism for our future is driven by the still-present spirit for exploration in myself, my children, and many of the people around me. As long as my son continues to invent new Lego creations, things that blast through space, or dive through our oceans, I am hopeful for the expansion of our horizons. His ideas may exist somewhere in the future but if they can be "seen" they can be built!
Jim King, Indiana, U.S.
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I believe that alternative fuel cell research will give me the greatest optimism about the future. The switch to hydrogen fuel cell cars as well as solar energy makes me feel optimistic. The only problem is that there is always a lag between a problem (global warming) and a solutions (hybrid cars.) Let's just hope that the solution has not come to late.
Ernest Hudaj, Toronto, Canada
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As the Disney song goes, "It's a great big beautiful tomorrow". The future is what we make it.
John, Orlando, U.S.
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With global warming and the destruction of the environment, we'll never live to see how great our technology could have been.
Tony Lynn, Delta, BC, Canada
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Our future is enshrouded in fog at the present due to climate change. We will all have to get together and fight global warming if we as humans are to have any future on this planet. Otherwise, these advances could be all for naught.
Stephen Berg, Winnipeg, Canada
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While I suppose meddling in the fabric of life makes me uncomfortable, the bigger issues I am afraid of are inability to even fuel the technological level we have today. We're going to be hitting the peak in global oil production soon (maybe right now), and have a future defined by less, not more. So while some may be afraid of the genetic ubermensch and robots getting us in the coming years, I'm just worried about the bigger problem of being able to get to work and get food!
Brandon, Portland, Or, U.S.
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I feel very pessimistic about the need we, society, have to consume oil derivate products. It is unbelievable how we developed to the point of going to war just because of the black gold. I think that if we start to develop cheaper means to produce energy, such as the methanol made from sugar cane, rice, or whatever, the dependency over the countries of the Middle East would be lower, less important, and therefore, better for the global economy. Here in Brazil, we just developed the natural diesel oil, made from a fruit original from Brazil's northeast. It is amazing how a country considered poor can develop something like that, and how the most important countries in the world don't realize the importance of diversification by all means. The money burned in wars could be easily employed on developing new technologies. However, what is necessary is not just money, but the desire to do so. The decision to stop given money to petroleum companies is political. Start thinking on a better future for all countries in the world is political, too. So, what we need is a different mentality, a new approach, new world leaders that come from new generations, in which are concerned with the progress of all. Until we don't have a closer gap between different countries economies, we will never have peace.
Murilo Astolphi, Sao Paulo, Brazil
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Around the year 450 B.C. the OATH OF HIPPOCRATES was proclaimed. Every new medical doctor had to swear to use his knowledge only for the wellbeing of man. Today an OATH OF HIPPOCRATES is needed for all Natural Sciences to use the new inventions only constructively and for the good of the planet Earth. This oath could save the world.
Christine Kaiyo, U.S.
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My main concern about the future is overpopulation. The worst part of it is that people who seek to educate themselves in an effort to improve their lot in life are the ones who tend to reproduce less, while the poor, the ignorant, the less ambitious among us choose to validate themselves through procreation. I understand that the issues are much more complex than we can explore here but I would be interested in hearing some expert opinion on the matter.
Gary Miller, Scottsdale, Az, U.S.
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The cultural inertia of the world's religions are the biggest obstacle to creating the high-tech future your writers envision. A substitute for religion must be found since it is for most people the most readily available refuge from the too rapid changes.
Bill Bergdorf, Clinton, Ohio, U.S.
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I worry about the future because no one seems to understand we DO NOT have unlimited resources to use and abuse on this planet. I worry about people who feel "God will provide" when God gave them the brains to realize we are running out of space and we have used and polluted virtually everything we were provided to live on. I worry about corporate greed/laziness that perpetrates the use of fossil fuels while other fuel source research is lying stagnant. As an educator I worry that some of my students can't multiply and divide in sixth grade or tie a knot - where do these children have a place in the future/ Worse yet, they have parents who feel I'm being tough on them for forcing them to learn what I believe should've been taught in first or second grade! I am VERY worried about the future!
Georgia, Pittsburgh PA, U.S.
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