There's some very silly comments posted that show a complete lack of insight and absolute ignorance of the point of the post.........
The documentary is pointing out facts.
The age of the documentary is irrelevant, really anyone saying it's 13 years old so it's irrelevant ....... in fact it's so stupid a comment it's not worth replying
Global dimming a really a problem ?
https://www.conserve-energy-future.com/causes-and-effects-of-global-dimming.php
https://www.metoffice.gov.uk/climate-guide/science/science-behind-climate-change/dimming
https://topdocumentaryfilms.com/global-dimming/
http://www.globalissues.org/article/529/global-dimming
Quote from the last link ~
The death toll that global dimming may have already caused is thought to be massive.
Climatologists studying this phenomenon believe that the reflection of heat have made waters in the northern hemisphere cooler. As a result, less rain has formed in key areas and crucial rainfall has failed to arrive over the Sahel in Northern Africa.
In the 1970s and 1980s, massive famines were caused by failed rains which climatologists had never quite understood
why they had failed.
The answers that global dimming models seemed to provide, the documentary noted, has led to a chilling conclusion:
what came out of our exhaust pipes and power stations [from Europe and North America] contributed to the deaths of a million people in Africa, and afflicted 50 million more with hunger and starvation.
Billions are likely to be affected in Asia from similar effects
Scientists said that the impact of global dimming might not be in the millions, but billions. The Asian monsoons bring rainfall to half the world’s population. If this air pollution and global dimming has a detrimental impact on the Asian monsoons some 3 billion people could be affected.
http://www.bbc.co.uk/sn/tvradio/programmes/horizon/dimming_trans.shtml
From the site .......
NARRATOR: For 15 years Travis had been researching an apparently obscure topic, whether the vapour trails left by aircraft were having a significant effect on the climate. In the aftermath of 9/11 the entire US fleet was grounded, and Travis finally had a chance to find out.
DR DAVID TRAVIS: It was certainly, you know, one of the tiny positives that may have come out of this, an opportunity to do research that hopefully will never happen again.
NARRATOR: Travis suspected the grounding might make a small but detectable change to the climate. But what he observed was both immediate and dramatic.
DR DAVID TRAVIS: We found that the change in temperature range during those three days was just over one degrees C. And you have to realise that from a layman's perspective that doesn't sound like much, but from a climate perspective that is huge.
NARRATOR: One degree in just three days no one had ever seen such a big climatic change happen so fast. This was a new kind of climate change. Scientists call it Global Dimming. Two years ago most of them had never even heard of it, yet now they believe it may mean all their predictions about the future of our climate could be wrong. The trail that would lead to the discovery of Global Dimming began 40 years ago, in Israel with the work of a young English immigrant called Gerry Stanhill. A trained biologist, Gerry got a job helping to design irrigation schemes. His task was to measure how strongly the sun shone over Israel.
