On 29, Oct 2006, at 23:06, Niall wrote:
> Nope, sorry, the human race just isn't that significant. 150 years? the
> earth is millions of years old. And the ecosystem is *immense*.
> Greens love to think they can control the natural environment. Always
> culling some species and cossetting others, trying to prove they are in
> control...
Excuse big snip and apparently diversionary question. Anyone know what
has happened to the total mass of "the planet earth" over it's
lifetime. Has it changed and if so how would that affect it's orbit of
the sun.
Beeky
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