If I understand the figures correctly, the bar graphs (in which East Asia figures prominently) are growth
figures. The pie charts show values as of 1995.
As one might expect, East Asia's emissions will grow substantially with industrial development. Further, the third world tends to lack the technology and emissions controls present in North American and Western Europe. North America (US/Canada) is already developed, and has by far the biggest piece of the emissions pie in 1995.
We may already be past the cusp. The West Arm of Kootenay Lake hasn't frozen in years, although it used to. Europe just had a good snow year, but such years are rare these days. Greenland has substantially more ice melt each summer than it did just 20 years ago, and the Antarctic ice shelves are shrinking. Ironically for the oil industry, tundra roads are no longer useable for as long each season before they thaw and become impassible.
Whether caused by human activity or natural cycles, the data (and many snow reports) says that it is undeniably happening, and the CO2 and other gases we add to the atmosphere don't help any.
I'm selfish, though. I don't like it when it interferes with my skiing!
Of course, it's all a liberal conspiracy. It's not really happening at all. They made the numbers up just to take away our fun! They said it on Fox News, so it must be true.
Regarding the assertion that you can't create 3000 lb of pollutants with 800 lb of jet fuel: Jet engines, truck engines and car engines consume a much larger mass of air than mass of fuel from the tank. It is correct to say that we don't create mass, but any engine, turbine or reciprocating, sucks in an enormous amount of air which it then combines with the fuel in the tank to generate power and emissions. In fact, a common method of improving the performance of a reciprocating engine is the use of a turbocharger or supercharger. These are both devices dedicated to stuffing more air
into the engine to then allow it to generate more power. So, yes, because of that mass of air going in, you can create more weight in pollutants than the weight of the fuel you started with.
That's what the chemistry lesson was trying to tell you.
Still, helicopter skiing is a trivial contributer to any of this. Any ban of heliskiing would be largely symbolic, and since the vast majority of overweight Wal-Mart shoppers know nothing about it, any PR value is probably minimal.