Tag

Runaway Greenhouse Effect

All articles tagged with #runaway greenhouse effect

science2 years ago•5 min saved

The Terrifying Reality of a Runaway Greenhouse Effect on Exoplanets and Earth

Scientists have used advanced computer simulations to demonstrate how a runaway greenhouse effect can quickly transform a habitable planet into an inhospitable world. The research, conducted by astronomers from the University of Geneva and CNRS laboratories, reveals that even minor changes in solar luminosity or a slight increase in global average temperature could trigger a runaway effect, rendering a planet completely uninhabitable. The study serves as a stark warning about the potential consequences of climate change on Earth and provides insights into the understanding of exoplanets.

via Space.com|

#climate-change #earths-habitability #exoplanets

science2 years ago•5 min saved

"Unveiling the Terrifying Reality: Earth's Future Hangs on a Thin Line Between Habitability and Hell"

Scientists have simulated a "runaway greenhouse effect" on Earth, warning that our planet could become an "uninhabitable hell" similar to Venus within a couple of hundred years or even sooner. The runaway greenhouse effect is a dramatic rise in global temperatures caused by a hot and water-vapour-rich atmosphere that limits the emission of thermal radiation to space, preventing the planet from cooling and having liquid water on its surface. The study highlights the role of water vapor as a natural greenhouse gas and warns that a small increase in solar radiation could trigger an irreversible process, leading to the evaporation of Earth's oceans and temperatures reaching several hundred degrees. The research also emphasizes the importance of studying exoplanet temperatures to determine their potential for hosting life.

via Daily Mail|

#climate-change #earths-future #global-warming

science2 years ago•3 min saved

Unveiling the Terrifying Dynamics of Earth's Runaway Greenhouse Effect

Researchers have successfully simulated all stages of a runaway greenhouse effect, revealing that a small increase in solar irradiation could turn Earth into an uninhabitable planet similar to Venus. The study, conducted by astronomers from the University of Geneva and supported by France's CNRS laboratories, aimed to provide insights into climate on other planets and the potential risks to Earth's climate in the future. The researchers found that a slight increase in global Earth temperature could trigger an irreversible runaway process, leading to the evaporation of oceans and temperatures reaching several hundred degrees. They warned that Earth is not far from an "apocalyptical scenario" if global temperatures rise beyond 1.5 °C above preindustrial levels.

via ScienceAlert|

#climate-change #earths-climate #runaway-greenhouse-effect

science-and-astronomy2 years ago•6 min saved

Venus' Toxic Atmosphere May Lead to Discovery of Habitable Planets.

Researchers from the University of California, Riverside, have examined the atmospheres of exoVenuses, exoplanets that lie within the Venus Zone (VZ), to better understand the runaway greenhouse effect of Venus and its past. The researchers hope to identify what caused Venus to develop into the inhospitable planet it is today, which could help identify which exoplanets should or should not be targeted in atmospheric observations with the James Webb Space Telescope or other future facilities. The study also suggests that studying Venus could help improve current climate models of exoVenuses, which could help scientists predict their climates.

via Space.com|

#exoplanets #james-webb-space-telescope #oxygen-biosignatures