NASA astrobiologist discusses CO2 mass exinction on Art Bell tonight

[bananas]

He'll be on at 11pm PST
Stan Deyo is on now (from 10-11pm)
http://www.coasttocoastam.com/shows/2006/10/15.html

[Viva_La_Revolution]

1. what is that qraph supposed to show?

maybe it's just late, but I don't see it. :shrug:

[beam me up scottie]

2. It correlates with this one:

[Viva_La_Revolution]

4. well, your's makes sense.

:rofl:


:hi:

[beam me up scottie]

5. !

:hi:

[Swamp Rat]

9. LOLOLOL!!!!!

:rofl: :rofl: Avast!!! :rofl: :rofl:

[bananas]

3. Here's the caption on the webpage

"The chart on the left (view in full) shows how rising carbon dioxide levels are associated with mass extinctions and that based on projections we could be heading into another such period. The graphic appears in Peter Ward's article, Impact from the Deep in the October issue of Scientific American."

[Viva_La_Revolution]

6. but it fell during the Cenomanian and the Paleocene

:shrug:

[bananas]

7. I guess we're safe then

as long as we don't run out of cannonballs.

[Viva_La_Revolution]

8. not safe...

I just don't see that this graph shows anything. I hope this guy's arguement is better.

[seriousstan]

10. Art bell,need I say more. Proof on the rense webpage.

[necso]

11. The ongoing extinction-event

(time will tell its magnitude; although how much time is unclear -- extinction could be very rapid when it starts to peak) is driven by many things besides increases in green-house gases (CO2, methane, ?):

1) (Other) pollution of land, water, air and earth-inhabitants (get tested for industrial (artificial/mankind-concentrated-spread) toxins sometime -- it may prove very illuminating);

2) The loss/destruction of habitat (forests, reefs, wetlands, etc);

3) The overuse/misuse of resources (potable water; arable soils, especially naturally-arable soils);

4) An increasing human population, resulting in increasing demands on the earth to support them;

5) Increasing consumption (resource-demands) by people, beyond that driven by increasing numbers;

6) Marginal living conditions for many species, weakening individuals, and making the species more susceptible to disease, etc (weakened individuals could also prove the breeding-grounds for devastating diseases);

7) The destruction of key species within interrelated communities (which includes pretty-much every living-thing in some linkages);

8) The breakdown (the sometimes very rapid and naturally-unlikely breakdown) of pre-existing isolation conditions (and pre-existing dominance conditions);

9) Higher order effects of all sorts, from changing patterns of winds, rains and currents -- to distancing people from the natural world that they ultimately depend upon, making them less receptive to important feedback from it;

10) The change in selection processes themselves, where direct and indirect ("footprint") human effects are becoming of increasing importance.

And it is the cumulative effect of all these things (and other factors that I do not identify) that will determine the nature of the extinction-event.

(Note that global warming may well result in various extreme weather conditions -- including unusual cold-spells, in addition to raising baseline temperatures in many parts of the world.)