Maybe not a greenhouse effect after all? « The HabitableZone

Recent posts

Cracks propagate podrock November 22, 2025 8:54 pm (CurrentEvents)

Debunking simulation theory with more simulation theory RobVG November 20, 2025 3:09 pm (Space/Science)

SR72 RobVG November 20, 2025 1:00 pm (Off-Topic)

Carmakers want to build robot armies BuckGalaxy November 18, 2025 5:50 pm (Flame)

Just going to put this out there... BuckGalaxy November 16, 2025 10:46 pm (GeekSpeak)

Moonage Daydream BuckGalaxy November 16, 2025 2:48 pm (Space/Science)

FU Chrome BuckGalaxy November 16, 2025 11:57 am (GeekSpeak)

FU Microsoft RobVG November 15, 2025 1:59 pm (GeekSpeak)

"Pluribus" RobVG November 10, 2025 9:06 am (Science Fiction)

Maybe not a greenhouse effect after all? May 1, 2012 7:12 pm ER

Could the Permian extinction (95% of all marine species,252 million years ago) been the result of ocean acidity levels provoked by volcanic activity?

http://www.nytimes.com/2012/05/01/science/new-studies-of-permian-extinction-shed-light-on-the-great-dying.html

Atmospheric CO2 levels monitored at Mauna Loa Observatory, over the last half-century:

http://www.esrl.noaa.gov/gmd/ccgg/trends/

Ancient CO2 levels by TB 2012-05-01 19:32:22
- I can correlate for ya it right here. by ER 2012-05-01 20:26:35
- And no human beings, cultures and civilizations existed then. by bowser 2012-05-01 19:50:54
  - The question is why these much higher CO2 levels didn't make the oceans a lot more hostile to life 500 million years ago than during the Great Extinction? by TB 2012-05-01 20:06:30
    - You're right, I'm left (she's gone). Elvis Presley by bowser 2012-05-01 20:43:11
    - The answer to your question... by ER 2012-05-01 20:34:55
      - PS by ER 2012-05-01 20:44:21