The post you are reporting:
As said, Ray, it's a spin-off. The author is not being objective, realistic, to the point, but doing a light and shade picture. Highlighting spins and shading out facts.
Scientists and technologists are producing aeroplanes for passengers in ever-increasing numbers, to sell them all over the world, for people to fly by plane.
They are not warning people to avoid the plane and to rather choose the train, for example.
What damage is caused by thousands of planes up in the atmosphere at any given moment, is anyone's guess. Where the particles of chemical pollution go, and where they float, and what they cause in the air, which is made up of nine natural gases, has not been fully realised, or it has been deliberately shaded out.
The Australian government is very concerned, because, owing to their geographical position, Australia is very hard hit by the negative effects of the ozone hole.
Scientists and technologists do not encourage people to use less the car, but promote car sales far and wide. Oh how better were the days when people in China all went to work by bike. Now they have become addicted to the western car!
"He also makes the point it is scientists and technologists who are coming up with processes for reducing chemical pollution and giving us cleaner atmospheres in the developed world, and the developing world needs to catch up."
This is fine thinking, wishful, but far, far from reality!
I'll leave nuclear pollution in brackets here, shaded out of the context, as we don't really know for full what damage was caused by the Japanese nuclear disaster. And Chernobyl...well...
But Ray, if the author had said we should regret the day we started selling cars and car-building technology to China, and left them to the bicycle, and that we too should promote bicycle paths and bike-riding in the West, then the phrase of yours I quoted might fit in and be well-earned.
Alas!