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I think Carl would be very disappointed with the world today

6:22

Compare this guy with the new president of the United States! 🤣

He should have been the world president and then, with his beautifull humanist view, we would not be in the same crazy situation…

The way he explains complex things with easiest examples, and his tone... He is sorely missed today. He was loved by all. He was the reason Voyager spacecraft were launched. We have become a dumber planet today.

What a great visionary. Left too soon. Pray God: please give him a rebirth. This planet needs Carl Sagan

Im a big Sagan fan, 54:30 this may be the only part where his thinking has not kept up with time passing. Planting trees would not gave been a solution in the 90s either.. But even the sun has spots =D

I regret not paying attention in science and math in school.

I’m glad we built a very strong military

I feel like he is who you meet with before you meet God, to get the answers you wanted about the universe and life. Sort of an ante room halfway to heaven

Dr. Carl Sagan and Dr. George A. “Jay” Keyworth II, contemporaries and seeming political adversaries, both supported Princeton University physicist Dr. Gerard K. O’Neill's rationale for expanding civilization into the High Frontier in a way that would promote international cooperation and competition, free-market dynamics, climate mitigation, planetary defense, and sustainable energy security. Sagan, renowned as the David Duncan Chair of Astronomy & Space Sciences at Cornell University and co-founder of the Planetary Society, was politically and socially liberal, while Keyworth, a former Director of the Physics Division at Los Alamos National Laboratory, operated within the conservative sphere during his tenure as Science Advisor in the Reagan Administration. Despite their differing backgrounds, both Sagan and Keyworth endorsed O’Neill’s vision. Sagan, known for his acclaimed science TV series “Cosmos: A Personal Voyage,” had testified before Congress in 1975 in favor of O’Neill’s concepts. Keyworth, who supported the Strategic Defense Initiative that helped end the Cold War, tapped O’Neill in 1985 to serve on the President’s National Commission on Space, contributing to the release of the of their 1986 report, PIONEERING THE SPACE FRONTIER (nasa.gov), arguably the most important and far-reaching space policy document to date. In 1968, Dr. Peter Glaser of Arthur D. Little Corp., inventor of the solar power satellite, proposed that Space-based Solar Power (SBSP) could offer a solution for clean energy in a way that would promote oil, coal, and gas longevity, end the nuclear stopgap, and accommodate the growth of industry and population without apparent limits. This concept resonated profoundly with O’Neill, who quickly recognized its relevance to his own ideas for space manufacturing and settlement. By tapping into lunar and other nonterrestrial resources, SBSP could permanently solve the energy and environmental challenges on Earth while facilitating the expansion of population and economic activities within Cislunar space and beyond. In his testimony before Congress, Sagan said, “Our technology is capable of extraordinary new ventures in space, one of which is the space city idea, which Gerard O’Neill has described to you…. The engineering aspects of it as far as I can tell are perfectly worked out by O’Neill’s study group. It is practical.” During my February, 1990 interview with Dr. Keyworth, he said, “I think it (SBSP) could become a very viable system, so I would put it amongst any list of serious contenders for new energy technologies…. I think the lunar infrastructure that Gerry O’Neill talks about (for materials extraction) is well thought out….” The careers of Sagan and Keyworth capped an era when liberals and conservatives, at least the bright ones, weren’t particularly at each other’s throats. They could think ahead of affairs and career on behalf of those in their concern. They articulated their views, finding common ground through agreement, compromise, or respectful disagreement. Where are our Sagans and Keyworths now? The American ship is listing, and serious people are grappling with understanding how we reached this point in such a brief span of time. In the late 1980s, Reagan cut the ballast by directing his FCC to eliminate one of democracy’s most crucial and effective safeguards: the Fairness Doctrine. It was a calculated political maneuver made during a period of general deregulation, but its long-term repercussions were not fully understood at the time. The elimination of the Doctrine from news reporting and discussions fragmented public attention on virtually every important national issue. This setback has delayed progress by several decades. We can work to bridge the divide by implementing again politically agnostic fairness guidelines in television and radio news and opinion platforms. We can conduct debates on important public matters grounded in evidence and universally acknowledged realities, rather than in what has proliferated as political fairy tales, conspiracy theories, mis/disinformation, fearmongering, racial fixations, hate speak, and bad science. Three decades ago, Americans enjoyed a more balanced information landscape, and that wasn’t by chance. The founding of the United States rested on the bedrock of freedom, liberty, democracy, equality, and the clear separation of church and state. Even in the midst of technological advancements and the perilous rise of nationalist, isolationist, racist, cynical, and authoritarian tendencies, it is imperative that we stand firm in defending these fundamental principles. Solving present challenges cannot be achieved by imposing an American autocracy or a nationalist theocracy, both of which rely on force. Furthermore, an authoritarian regime that undermines civil liberties, individual rights, and settled law cannot drive American leadership in scientific, technological, ecological, economic, and sociocultural progress beyond Earth, as envisioned by visioneers such as O’Neill, Sagan, Keyworth, and Glaser. Science is facing mounting assaults from the extreme far right, met with equally unfounded counterarguments from the far left. By scientific consensus, the reality of global warming induced by industrial and transportation activities is undeniable, posing an existential threat to species if left unchecked. The encouraging aspect, for those capable of discerning reliable information amidst the noise of alarmism, is that the issue is theoretically resolved across four dimensions. This resolution doesn’t entail economic regression, resource-driven conflicts, a hard stop on traditional energy sources, or human suffering. Instead, it paves the way for economic expansion, enhanced global living standards, and unprecedented advancements in civilization - an unprecedented paradigm shift. For those paying attention, SBSP can serve a potential market worth up to $10 trillion annually, simply by solving for new and replacement electric generating stations. This initiative can significantly contribute to meeting climate mitigation targets by the middle of the century. The late David Criswell projected that 50TW of SBSP can grow the global GDP tenfold. Lt. Col. Peter Garretson, USAF (Ret.), a Senior Fellow in Defense Studies at the American Foreign Policy Council, estimates that SBSP can provide on the order of 5 million new jobs plus some 50,000 service jobs per satellite. SBSP has the capacity to fulfill the carbon-neutral energy requirements of both advanced and developing nations, serving as a reliable energy source for baseload, off-grid, and emergency response situations worldwide. It has the potential to satisfy a substantial portion of the future energy demands of an advancing technological society, even fostering its expansion. However, realizing these possibilities will require a decisive “go” decision from leadership. Achieving this transformation requires a democratic nation with a well-informed populace, a robust current GDP, advanced space capabilities, engaged public, private, and international partners, and a competitive spirit, particularly in light of formidable contenders like the Chinese Communist Party, which is actively pursuing the Moon and SBSP. Originating in the U.S., this undertaking demands political determination to assume a leadership role globally. It must inspire ordinary citizens, offering them a sense of ownership in an exhilarating and inclusive future full of possibilities. A nation aspiring to such heights must, foremost, uphold the integrity of its information. It must distinguish between the freedom of speech and the freedom to lie and sow confusion without challenge or consequence - a trend that has grown in American television and radio news and opinion media since the repeal of the Fairness Doctrine in 1987. This unchecked “freedom” to distort truth was exploited to a dangerous political degree by the 45th president and his fellow travelers. Magnified by social media, this distortion continues, and it poses an existential threat to a 248 year-young nation from within. The situation throws a sledgehammer to America’s unfinished task and potential. If the current political and legal matters are resolved, if Project 2025 is countered, if Americans’ imaginations are reignited and lifted from fear and cynicism, and if politically agnostic fairness regulations are reinstated and modernized to encompass cable and satellite TV news - formats that didn’t exist when the Fairness Doctrine was originally created but now dominate in many American households and vehicles and that fall under FCC purview - web and social media platforms may likely respond with their own measures for moderation. (Note: The internet is beyond the scope of the Fairness Doctrine.) If the safeguards of democracy and our Constitution stand firm, future generations, including those born in space, will appreciate that we succeeded, and that freedom and facts prevailed on the ground such that their existence, freedom, prosperity, and open-ended future will have been made possible.

CO2 doesn't recognize natln boundaries. Forests clean atmosphere of CO2. I love being in the forest. No one nation can solve the world's problem.

17:00 Argamemnon story

Dear Rep. Moulton, Who and what can Americans unite behind in 2024? Should events open a realistic path for a presidential challenge within the Democratic Party, I would endorse your candidacy for the Oval Office, should you run. In the House, you address issues of economic security and the environmental crisis with a focus on solutions. As a decorated Marine Iraq combat veteran, you champion veterans’ rights and civil liberties for your constituents. Serving on the Armed Services Committee and the Transportation & Infrastructure Committee, you advocate for increased G.I. Bill benefits and for clean high-speed rail. Additionally, you are a member of the Select Committee on Strategic Competition between the U.S. and the Chinese Communist Party. With degrees in physics, business, and public policy (Harvard), and the experience of a presidential campaign in 2019, you bring a wealth of knowledge and resilience to your endeavors. Americans can do more this election cycle than simply save democracy from Donald Trump and Project 2025. We can elect a president who will launch a grand new vision that invites participation from all free nations and powers the world. This vision has roots in ideas and numbers that originated in the United States several decades ago but remained largely unnoticed, waiting for the technical advancements that now make it achievable. The Chinese Communist Party has announced plans to address their energy and environmental security needs by testing Space-Based Solar Power aboard their Tiangong space station. SBSP is one of the reasons why the CCP wants operations at the lunar South Pole, where water and other valuable resources are thought to exist in permanently shadowed regions. A mid-1980s study by the Space Studies Institute found that solar power satellites can be constructed 99% from lunar materials, making construction 97% cheaper due to the Moon’s composition and 1/6 gravity. Space-Based Solar Power was invented in the United States in 1968, following wireless power transfer demonstrations in 1964. Studies conducted in the 1970s and 1980s under government contracts are archived by the Space Studies Institute. Beyond China, SBSP research and development is ongoing in Japan, India, the UK, Russia, South Korea, the EU, and Arab oil states, as well as by private firms. On May 22, 2023, Caltech demonstrated space-to-ground microwave wireless power transfer as part of their Space Solar Power Project, launched aboard a SpaceX Falcon 9 rocket. Michigan-based Virtus Solis Technologies plans to launch a demonstrator satellite in 2027. UK-based Space Solar Ltd. is championing Ian Cash's CASSIOPeiA sunsat, which aims to deliver continuous power 24/7/365 to a station anywhere on Earth for less mass than other designs. Why the interest in SBSP? Along with other measures, it can permanently resolve our energy and environmental challenges on the ground while serving as a springboard for space industrialization and settlement. The late David Criswell estimated that 50 terawatts of SBSP could grow the global GDP tenfold. Jeff Bezos, an SBSP advocate, envisions over time a population reaching one trillion people, many SBSP settlers living in normal 1g environments within the relatively short travel times of Cislunar space. The vision is probably best laid out for the layman in the late Gerard K. O’Neill’s landmark book, "The High Frontier-Human Colonies in Space" first published in 1976. Dr. O’Neill, a Princeton University physicist who, among other things, invented the storage ring for high energy particle accelerators, founded the Space Studies Institute in 1977 to research the tools and techniques necessary to build large structures in space. O’Neill served on the President’s National Commission on Space in 1986, which produced the most far-reaching policy document, “Pioneering the Space Frontier”. SBSP activity can advance the vision in numerous ways. It can inspire and empower ordinary citizens, fostering a sense of stakeholding in an exciting, sustainable, and open future for their children. In pursuit of this future, people will be motivated to reject any authoritarian overture and/or any concerted attempt at a hostile takeover of the United States government and its institutions that could harm the country and compromise our long-held belief in the rights for all to life, liberty, and the pursuit of happiness. These rights are plainly set forth in our founding documents, and they can and should continue to serve an expanding civilization. Lt. Col. Peter Garretson, USAF (Ret.), a Senior Fellow in Defense Studies at the American Foreign Policy Council and an intellectual force behind the U.S. Space Force, estimates that SBSP can provide on the order of 5 million new jobs plus some 50,000 service jobs per satellite. The “Green New Deal” suggests economically regressive investments that fall short of addressing our future energy needs. We can aim higher and achieve better outcomes. During the next presidential term, NASA’s Artemis program will land Americans and partners near the lunar South Pole. As a moderate leader, you can concurrently announce that the United States intends to lead the world in Space-Based Solar Power using lunar ISRU (in-situ resource utilization). You can emphasize that as the industry scales up, it will serve a potential $10 trillion per year market for new and replacement electric generating stations while contributing to climate mitigation targets by mid-century. You can propose that SBSP will leverage the collaborative efforts of already interested free nations and our talented private sector, enabling us to succeed in the space and energy arenas against the CCP and other motivated competitors. To mitigate risk, the National Security Space Office of the Pentagon identified in 2007 the military as a key potential customer for SBSP, particularly for instant and secure energy delivery to forward operating bases. The military is prepared to pay premiums for SBSP, which can help sustain the market as civilian demand grows. In May 2023, I sent two policy books to your attention: "Scramble for the Skies: The Great Power Competition to Control the Resources of Outer Space" co-authored by independent policy analyst Dr. Namrata Goswami and Peter Garretson, along with "The Next Space Race: A Blueprint for American Primacy" by Peter Garretson and Richard Harrison of the American Foreign Policy Council. Goswami and Garretson have offered their expertise to advise you on policy matters related to Space-Based Solar Power and the significant potential of an American-led Cislunar economy. Dr. Ed Tate, CTO of Virtus Solis Technologies, is available to provide insights into developments in the private sector. John Mankins, President of Artemis Innovation and former manager of Advanced Concepts Studies at NASA, who oversaw critical assessments of Space-Based Solar Power and reusable space transportation, is prepared to provide a history of SBSP concepts and help evaluate the viability of current proposals. Martin Soltau, Co-CEO at Space Solar Ltd., has sent this message from the UK: “Happy to support - please let me know what you need.” The Democratic Party can choose to include Space-Based Solar Power in its 2024 platform for energy, environment, climate, space, industry, and economic security or it can choose to ignore it and risk losing. In any event, we need a competent leader in government who can defend the Constitution and accelerate the political mechanisms necessary for SBSP. Update: Since Vice President Harris is the presumptive Democratic nominee, I hope she is prepared. She has served as Chair of the National Space Council under President Biden and is strong on climate issues, but she and Governor Walz, who may be the next NSC Chair, may be unaware of the link between space and energy. Part of the problem is that NASA and DOE have different missions, operate on separate tracks, and tend to communicate past each other. Given your background in physics, if the opportunity arises, please share this letter and its insights with the Harris team. The conditions on the Artemis landing will converge during the next administration. “The sun doesn’t run out, or at least not for 5 billion years, and I figure that’s good enough.” - Carl Sagan 1:00:40 Thank you for your service.

As Non-Native-English-Speaker I understand the whole ideas from Carl, I think he always wanted to explain in an easy way.

You can tell that he probably thought about nothing else, a true prophet!

Yes, and looks so healthy, but died two years later?????

Thanks...

@42:06 that segment? Pure genius, even if others have most likely said it before him, he presented it so well!

It went in one ear and out of the other! Here we're 2024 and the warmongers, the weapon makers, the religious nuts, pollutes, etc.are still going strong. Why? It isn't ignorance but GREED! 😢

Venus has no trees. False equivalence lol

So which is it? Adelphi or Cassandra? Is global warming a hoax or real? A substantial number of Americans especially Trumpers believe global warming is a hoax.

The Space Studies Institute curates the foundational studies on space-based solar power. Stacks of paper and digitized reports are available for the nations and private groups to consult as they develop their SBSP programs. Most recently, South Korea’s Korea Aerospace Research Institute revealed plans to fly a gigawatt-class sunsat in geo by 2050. The CCP plans to put up a low-orbiting demonstrator by 2035. The U.S. is falling behind on space solar, its own invention. Why didn’t NASA attend the International Energy from Space Conference in London in April, 2024, along with the other agencies who did? The timelines above are actually a little late for Net Zero by 2050. Space solar could have been realized in the 1990s using existing technologies and lunar ISRU. The first shielded free-space city could be orbiting L5 on the back of SBSP’s industrial output.

Most people on the audience is listening but not really understanding.

Imagine the GOP and Donald Trump understanding what this brilliant man was telling us. I fear for mankind, and our planet. Our me me me society is doomed, I fear.

❤🌌🤚🍀

Thanks Carl!! We were LUCKY to have you!

51:25+ typically republican, Spitefulness! Chris christi, beach Spite, bridgegate, two openly child like acts, and what does the media do... hire him? As if his Opinion won't be base on emotions, republican spiteful emotions, he loves trump, he hates trump. Like Hillary, how the wind blows for me! Hillary, Manchin, THATS our moderate republicans!! Not even liz, she's a total closest fraud !( never left the party, there's always independent!??) exposed by trump is what she hates!! The rest of US are republikkkan or liberals!! For Ruling OR governing? For corporations, OR for the people? Accusations or Programs!? Distraction or PROGRAMS? Lies OR FACT, PROGRAMS? USE A CASHIER, THEY PUT INTO THE SYSTEM!! UNEMPLOYMENT INS.!! S/S ! MEDICARE, ALL PUBLIC PROGRAMS..!!!Helps your town's tax base!!!. automatic check outs don't!!! A public service announcement!

29:05 the entire republican party! Denial, a republican trait., became traitors to democracy., definition of words, whole sentences removed for CONvenience, and belittling of people and institutions. The whole 9 yards! Pure fascism, This case, TOTALLY Christian fascism! 21st century CONquistadors!

28:28 republican greed! AOC , today's Cassandra? And Republicans laugh along with the dozens of ghost whistle blowers!

My hero.. ..since 1979 first chapter of Cosmos

Carl Sagan also warned of a future population of subservient lemmings dominated by technology, of which they had no working knowledge. It wasn't the governments that failed us; we failed each other, and our children will pay the price.

omg Obama totally stole Carl's style of speaking .. listening i closed my eyes and totally heard Obama....

R....u....s.....s.....I ......a...... Means what?????????abr..... 😢

Dry ice is compressed CO2 gas carbon dioxide made earth egg shaped until a i.r. laser beam was made using the first James Webb telescope all glass to make the earth round shaped?????????!! 40:50 😮 johb121 March 17 2014

Scientists offer solutions to our problems , and we deal with them as if they are Casandras , it is both sad and frightening . Will we open our eyes soon enough to avoid a global catastrophy ?

42:07 This is where he began cooking.

We lost Mr.Carl Edward Sagan but, he still lives within us. 24 years ago the earth is still holding together and don't know how long before everything changes to a .....(custard)

How did Venus acquire immense amount of carbon dioxide.

👏👏👏👏👏👏🙏🏼🙏🏼🙏🏼 May God keep you in his Glory!

I'm watching in February of 2024. In the previous year, we saw a 1.5° c higher global average temperature. 😞 It's frustrating to learn how much was known a generation or more ago.

Carl could have been a male model, i think, had he not become a planetary scientist. Suits look good on him.

I miss carl. One of the greatest Yumans to ever have lived on this planet. Dragons of eden was a great book. Pale blue dot and demon haunted world as well.

My life was enhanced beyond measure by this great Man. This World of ours is very much the poorer for His passing.

Unbelievable how relevant his speech was to 2024.

if the money from the wars since this speech had been spent on planting the trees he proposed as a solution .imagine

Just saw a video of Carl sagan critizising climate change in 1985 to congressmen now it shows up he had a Volkswagen?

To many people Carl Sagan was a voice of reason. He was a kind and intelligent man who took on the position of educating the masses. His lectures and presentations were edifying and helpful in promoting enlightenment among the masses. I say bullshit! I say that Carl Sagan was a propagandist who spread hate and division amongst the masses. Under the guise of scientific enlightenment, he justified condescension and derision towards Christians and other believers. And he does it in a sneaky and passive/aggressive way, which makes him even more despicable! Science is owned by the people who fund it. If science didn't help to make profits for industrialists or if it didn't feed the war machine, then it wouldn't exist except for maybe in cloister. Sagan worked for NASA. I think for PR as much as anything. His presence made NASA look like it had a peaceful, beneficial to humanity mission. NASA was publicly funded R&D for defense contractors. Data obtained through the projects at NASA helped the defense establishment to build ICBM's. Sagan was certainly a part of the Military Industrial Complex. In his own little way, he contributed to the war machine. (Sagan wasn't very bright and I am sure he was just a useful idiot.) Sagan and his modern counterparts are copies of each other. They all say the same thing. None of them will ever talk about the dark side of the technocracy. They will never mention that science has enabled copious amounts of pollution. They will never talk about how science feeds the war machine. Leaving out a large part of the story makes him deceptive. Public Broadcasting isn't funded by hippies. It is funded by serious businesspeople who work at large, worldwide, corporations. Big oil, big agriculture. I have seen where BP and Archer Daniels have underwritten PBS presentations. Why would such wealthy, smart and powerful people be so interested in indoctrinating the masses? I don't know! As far as the science he was pushing: Big Bang cosmology is highly theoretical. In order to find out if the hypotheses about the big bang are true, we would have to get in a space cruiser and get a closer look. I doubt that will ever happen. Evolution is just plain stupid. There never has been a clear demonstration of speciation. If you want to believe that slime on a rock turned into Beethoven that is your business. It is also true to say that one can reject evolution and it will in no way hurt the quality of their life. Evolution is a hobby that is used for atheist propaganda. In science theory means no practical value as much as anything else. Carl Sagan got the job because of his nerdy good looks and warm demeanor. It is just show business. Carl is an atheist equivalent to a televangelist preacher. Carl got the job because he looked good on television and his handlers knew that would help the indoctrination to sink in the minds of the public. With Carl Sagan one doesn't get the full story. One only hears what the people who sign his paycheck want them to hear.

Just watched this again today. What a marvelous man. Thanks for posting.

The day will come one day when humanity will discover an element with atomic number 164, from which vehicles of alien civilizations are constructed to change the force of gravity locally and move in a "bubble" surrounded by ionized atmospheric gases.