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Recent Additions: New and Updated Entries in the Past 60 Days
Displaying entries 106 through 115 of 115 found.


Pedia Sapiens: A Genesis Future on Earth and in the Heavens

Future > New Earth > Ecovillages

Andersson, Claes and Petter Tornberg. Toward a Macroevolutionary Theory of Human Evolution: The Social Protocell. Biological Theory. 14/2, 2019. Reviewed more in Emergent Evolutionary Transitions, these Chalmers University of Technology, Sweden systems scholars achieve an overdue perception by which societal groupings can be seen to take on a guise akin to life’s original protocells.

Future > New Earth > democracy

Albrecht, Glenn. Earth Emotions. Ithaca: Cornell University Press, 2019. This passionate evocation by the Australian environmental philosopher is reviewed more in A Viable Gaia, which we cite here for his proposal of a “symbiotic democracy” based upon and guided by nature’s intrinsic, animate democratic reciprocity of individual and community.

“Sumbiocracy” I define as a form of cooperative rule, determined by the type and totality of mutually beneficial or benign relationships, in a given sociobiological system. Sumbiocracy is a form of government where humans govern for all the reciprocal relationships of the Earth at all scales, from local to global. Organic form (all biodiversity including humans) and organic processes (symbiotically connected ecosystems and Earth systems) are primary in this new form of government. (106)

Future > New Earth > democracy

Geier, Fabian, et al. The Physics of Governance Networks. arXiv:1906.08679. A five person team from the Potsdam Institute for Climate Impact Research including Jurgen Kurths and Jon Donges join multiplex topology science with critical condensed matter transition phenomena to scope out better ways by which civilized, knowledgeable societies could mitigate and resolve worsening epidemic, resource and weather assaults.

Adaptive networks are a versatile approach to model phenomena such as contagion and spreading dynamics, and structure formations that emerge from the dynamic coevolution of complex networks. Here, we study critical transitions in contagion dynamics on multilayer adaptive networks with dynamic node states, along with an application to the governance of sustainable resource use. We find that sustainability is favored for slow interaction timescales, large homophilic network adaptation rate and high taxation rates. These systemic results can advance understandings of complex adaptive systems from fields ranging from physics and epidemiology to sociology and global sustainability science. The paper also provides insights into potential intervention points for governance policy and sustainable renewable resource use that can better inform social-ecological process modeling. (Abstract excerpts)

Adaptive networks are a promising approach between theoretical physics and efforts to understand future trajectories of the Earth system in the Anthropocene where human social dynamics has become a dominant geological process. By modelling complex social systems as adaptive multilayer networks embedded in land-use or Earth system models, methods from complex systems theory, nonlinear dynamics and statistical physics can be applied to identify management options, critical transitions, tipping points and critical intervention points, and map safe operating spaces for these systems. More generally, they can help analyze complex co-evolutionary dynamics of human-environment systems including the evolution of technological and knowledge systems. (2)

Future > New Earth > Viable Gaia

Albrecht, Glenn. Earth Emotions. Ithaca: Cornell University, 2019. The Australian environmental philosopher was a professor of sustainability at Murdoch University, Sydney until 2014. He presently has a blog dubbed Psychoterratica at glennaalbrecht.com. This neologism is a negative term for global climate crises as industrial human beings live far apart from, and in destructive denial of, an abiding ecosphere. His project is to vivify a practical 21st century re-union by way of the latest organic sciences. A path forward might well be a respectful avail of life’s natural symbiosis between member entities and a supportive grouping at each and every phase. A prime case is the eukaryotic cell with prokaryotic microbes, as long taught by Lynn Margulis. This me + We reciprocity for mutual benefit within a “US” whole suffuses evolution, until our homo sapiens came along.

Albrecht also sees this proposal as a recovery of indigenous, perennial wisdom, and an animate way to inform and foster a “terranascian,” Earth creator mindfulness to replace the dominant “terraphthora,” Earth destroyer peril. In regard, he replaces the Anthropocene or Technocene moniker for a “Symbiocene” era of human beingness in harmony with local bioregions and a Gaian viability. While Australian concerns are leading edge in the “Great South Land,” he worries over the northern conflicts between an apocalyptic Armageddon and new green movements struggling across America and Europe. We add a notice that a solution could reached by identifying and putting into practice a universal, independent complementary Ubuntu, Taomics, bigender guidance.

“Sumbiocracy” I define as a form of cooperative rule, determined by the type and totality of mutually beneficial or benign relationships, in a given sociobiological system. Sumbiocracy is a form of government where humans govern for all the reciprocal relationships of the Earth at all scales, from local to global. Organic form (all biodiversity including humans) and organic processes (symbiotically connected ecosystems and Earth systems) are primary in this new form of government. (106)

The neologism “ghedeist” was thus created by me to account for a secular positive feeling for the unity of life, and the intuition, now backed up by science, that all things are interconnected by the sharing of a life force. My definition of the “ghedeist” is the awareness of the spirit or force that holds things together, a secular feeling of interconnectedness in life between the self and other beings (human and nonhuman) and their gathering together to live within shared Earth places and spaces including our own bodies. It is a feeling of intense affinity and sense of empathy for other beings that all share a joint life. (151)

Future > Self-Selection

Dehant, Veronique, et al. Geoscience for Understanding Habitability in the Solar System and Beyond. Space Science Reviews. 215/42, 2019. Eighteen researchers from six European countries survey of how a wide range of variable internal and external geological and environmental conditions might affect a planet’s hospitality for evolutionary life. A tour is first taken of the Early Earth, Mars, Venus and outer worlds. How study of near and far exoplanets might progress is then scoped out. And as one reads along, it strikes how such a 21st century contribution as this need be attributed to an as yet unidentified worldwise, collective entity learning by her/his own self.

This paper reviews habitability conditions for a terrestrial planet from the point of view of geosciences. It addresses how interactions between the interior of a planet or a moon and its surface atmosphere, hydrosphere and biosphere might be able to sustain life. We address and debate questions issues such as: How do core and mantle affect the evolution and habitability of planets; Mantle overturn on the evolution of the interior and atmosphere; What is the role of the global carbon and water cycles; The influence of comet and asteroid impacts on the evolution of the planet; How does life interact with the evolution of the Earth’s geosphere and atmosphere; and How can knowledge of the solar system geophysics and habitability be applied to exoplanets. (Abstract excerpt, edit)

Future > Self-Selection

Haqq-Misra, Jacob. Does the Evolution of Complex Life Depend on the Stellar Spectral Energy Distribution?. arXiv:1905.07343. The Blue Marble Space Institute, Seattle astrobiologist (search) adds another measured condition which is vital for biospheric life to develop into complex organisms. As the Abstract notes, the right intensity of solar radiation is needed over a sufficiently long span (a billion years for Earth), so that a global species as our own can appear.

This paper presents the proportional evolutionary time hypothesis, which posits that the mean time required for the evolution of complex life is a function of stellar mass. The "biological available window" is defined as the region of a stellar spectrum between 200 to 1200 nm that generates free energy for life. Over the ∼4 Gyr history of Earth, the total energy incident at the top of the atmosphere and within the biological available window is ∼1034 Joules. The hypothesis assumes that the rate of evolution from the origin of life to complex life is proportional to this total energy, which would suggest that planets orbiting other stars should not show signs of complex life if the total energy incident on the planet is below this energy threshold. (Abstract)

Future > Self-Selection

Lammer, Helmet, et al. The Role of Nitrogen as a GeoBiosignature for the Detection and Characterization of Earth-like Habitats. arXiv:1904.11716. A seven member group mainly from the Austrian Academy of Sciences Space Research Institute cites that the appropriate presence of this globally atmospheric and chemical element ought to be seen as another important factor for life’s emergent evolution.

Since the Archean, nitrogen has been a major atmospheric constituent in Earth's atmosphere. It is an essential element in the building blocks of life, therefore the geobiological nitrogen cycle is a fundamental factor in the long term evolution of both Earth and Earth-like exoplanets. We discuss the development of the Earth's N2 atmosphere since the planet's formation and its relation with the geobiological cycle. Then we suggest atmospheric evolution scenarios and their possible interaction with life forms for a stagnant-lid anoxic world, a tectonically active anoxic world, and an oxidized tectonically active world. Since life forms are the most efficient means for recycling deposited nitrogen back into the atmosphere nowadays, they sustain its surface partial pressure at high levels. (Abstract excerpt)

Future > Self-Selection

Stojkovic, neda, et al. Habitability of Galaxies and Application of Merger Trees in Astrobiology. arXiv:1908.05935. University of Belgrade astrophysicists NS, Branislav Vukotic and Milan Cirkovic (search) advance a latest, extensive consideration of how relatively conducive might myriad galactic neighborhoods be for living, evolutionary systems. Their studies draw upon mathematic and geometrics method as described Exploring the Cosmic Evolution of Habitability with Galaxy Merger Trees by Elizabeth Stanway, et al in the Monthly Notices of the Royal Astronomical Society (475/2, 2018).

Galaxies represent the main form of organization of matter in our universe. Here we present a systematic attempt to list and categorize major causal factors playing a role in an emergent galactic habitability. We argue that the methodology of cosmological merger trees can be useful in delineating what are systematic and lawful astrobiological properties of galaxies at the present epoch vs. those which are due to historical contingency. In a sense, this approach is directly complementary to using large-scale cosmological simulations to study habitable zones of individual galaxies with high mass/spatial resolution. Altogether, these endeavors serve to advance a new era of synergy and synthesis between cosmology and astrobiology. (Abstract edit)

Future > Self-Selection

Turbet, Martin, et al. The Runaway Greenhouse Radius Inflation Effect. arXiv:1906.3527. In a paper to appear in Astronomy & Astrophysics, University of Geneva and NASA Goddard scientists report another finely-tuned window that a habitable bioworld need remain within and pass through for life to evolve and emerge over a long time span. As the Abstract says, a narrow balance of solar radiation and surface conditions must be maintained for this purpose.

Planets similar to Earth - but slightly more irradiated - are expected to enter into a runaway greenhouse state, where all surface water rapidly evaporates, forming an optically thick H2O-dominated atmosphere. For Earth, this extreme climate transition is thought to occur for a ~6% increase only of the solar luminosity. In general, the runaway greenhouse is believed to be a fundamental process in the evolution of Earth-size, temperate planets. Using 1-D radiative-convective climate calculations accounting for thick, hot water vapour-dominated atmospheres, we evaluate the transit atmospheric thickness of a post-runaway greenhouse atmosphere, and find that it could possibly reach over a thousand kilometers. This abrupt radius inflation - resulting from the runaway-greenhouse-induced transition - could be detected statistically by ongoing and upcoming space missions such as TESS, CHEOPS and PLATO. This could provide an empirical measurement of the irradiation at which Earth analogs transition from a temperate to a runaway greenhouse climate state. This astronomical measurement would make it possible to statistically estimate how close Earth is from the runaway greenhouse. (Abstract excerpt)

Future > Green Galaxy

Krakauer, David and Caitlin McShea, eds. InterPlanetary Transmissions: Proceedings of the Santa Fe Institute’s First InterPlanetary Festiva. Santa Fe: SFI Press, 2019. The chapters such as Intelligent Systems, Autonomous Ecosystems, Origins of Life in Space, and Living in Space are transcripts of group discussions with luminaries such as Jessica Flack, Geoffrey West, Caleb Scharf, Jennifer Dunne, Neal Stepheson, and many more diverse voices.

This volume is a record of the proceedings of the first InterPlanetary Festival, held in Santa Fe, New Mexico, in June of 2018 by the Santa Fe Institute. An annual free public event, the InterPlanetary Festival combines an exploration of complexity science, which SFI has pioneered, and technological innovation with a summer festival full of music, film, art, food, drinks, and more. The first project of its kind to combine celebration with experimentation, and conversation with analysis, the InterPlanetary Project seeks to be nothing less than a whole-planet project—beyond borders, beyond politics, beyond economics—to activate the collective intelligence of our first planet: Earth.

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