What's really telling is that I can't discern whether Rush actually said what you've quoted, or if you've created an hypothetical.

I'm thinking of a "low intensity war" (stupid name for it but that's what it's called). There are already problems with Chinese crossing the Amur River in search of jobs in the north (sound familiar?). I think there will be a lot of Chinese settling in the forests of Siberia, lots of saber-rattling, pushing back and forth. I don't think there will "total" war because it would be too destructive. I also think China will win in the end, with 10 times the people it can absorb a lot more losses. I think Russia will eventually lose most of its land east of the Urals.

"1. There is nothing man can do to stop it at this point."

False, unless by "stop it at this point" you mean "stop it today".

"2. The developing countries must immediatel­y start to reduce their population­s.
Humans and the animals we eat are prolific producers of CO2 and Methane."

I assume you mean developed (first world) countries. The developing countries have very little CO2 emission per capita.

Humans and animals do not produce CO2. Any CO2 they emit is the result of CO2 in the food they eat which came from the atmosphere. The process is CO2 neutral.

Methane is a problem in pigs and cows, but not nearly as much of a problem as the fossil fuels that are consumed to grow food for cows and pigs. Both these problems could be helped by reduction in meat consumed and by choosing species for meat that are not so dependent on fossil fuels and don't produce so much methane.

"3. The developing countries must immediatel­y reduce fossil fuel consumptio­n to 1970's levels."

False. Replace developing with developed and immediately with eventually and you'd have it right.

I suppose you're implying that changing your eating habits, having to drive a biodiesel car, and getting your electricity from a solar thermal plant is just too high a price to pay for saving trillions of dollars and hundreds of millions of lives in the next couple centuries. (Remember, your fossil fuels aren't going to last that long anyway.)