Please, help me to answer this question

Thanks friends,

Now I got a pretty good idea of what would happens in that case. I
will try to find extra information, however it seems very clear that
the time would run pretty fast for the people, if any, that survives
an event like that.

Regards,

Omar Vega

--- In spacesettlers@yahoogroups.com, "levi1_ca"
> > > On 7/3/05, Omar E. Vega wrote:
> > > > Hi friends,
> > > >
> > > > I have not post for a long time because I did not
> > > find anything
> > > > interesting to contribute with, but I keep reading
> > > you. I belong to a
> > > > small group of Chilean Sci-Fi writers who is very
> > > interested in
> > > > science and tech, and that knows about this group.
> > > Unfortunatelly
> > > > most people of my generation, in my country, does
> > > not speak English,
> > > > so they ask me to be the interface with you.
> > > >
> > > > We have a big question that might help us to write
> > > good tales.
> > > >
> > > > Imagine that suddenly -because the action of some
> > > virus or whatever-
> > > > all vegetal life of the planet die.
> > > >
> > > > Then question is. How long we will have oxigen to
> > > breath? What
> > > > would be the main ecological effects we would
> > > observe? would the
> > > > planet get hotter of cooler, becoming a new Venus
> > > or a new Mars?
> > > >
> > > > We know that the planet current state is dependent
> > > on life, and that
> > > > a threat to plants would change the physical
> > > aspect of the planet.
> > > > How those changes would be and what secuence of
> > > events they will
> > > > follow?
> > > >
> > > > Please, help us to get the information to answer
> > > those questions. And
> > > > any help in the right direction will be very
> > > appreciated.
> > > >
> > > > Thank you,
> > > >
> > > > Omar Vega,
> > > > Chilean Sci-Fi writer.
>
> in reference to the planet temperature - the amount of co2 and ch4
> in the atmosphere would skyrocket - all plant life not recycling
> carbon and also rotting producing methane. this should cause a
super