Guide Point of No Return

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Peter, a young aircraft engineer is deceived by his manager Jason into substituting faulty aircraft parts. When a part explodes killing a passenger, Air accident.
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The first major metaphorical use of the term in popular culture was in the novel Point of No Return by John P.

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It inspired a Broadway play of the same name by Paul Osborn. The novel and play concern a pivotal period in the life of a New York City banker. In the course of the story, the character faces two "point of no return" realities: first, that his quest for a big promotion will mean either triumph or a dead end to his career, and second, that he can never go back to the small-town life he abandoned as a young man.


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The Point of Safe Return PSR is the last point on a route at which it is possible to safely return to the departure airfield with the required fuel reserves still available in the tanks. Continuing past the PSR, the aircraft must either land at the aircraft's intended destination, or to divert and land at another nearby airfield should an emergency arise. From Wikipedia, the free encyclopedia.


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For other uses, see Point of no return disambiguation. This article has multiple issues.

Point of no Return () - IMDb

Please help improve it or discuss these issues on the talk page. Learn how and when to remove these template messages. This article possibly contains original research. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research should be removed. Though deforestation has fallen over the last decade and a half, it certainly has not stopped. Around 20 percent of the planet's largest rainforest is now gone, explained Emilio Bruna, an Amazon biologist and director of the Florida-Brazil Linkage Institute at the University of Florida.

That's about the size of two Californias, he said. And at some still undetermined point — but a threshold we may soon meet — much of the Amazon will cease to be a vital rainforest. There won't be enough trees to exhale moisture, which is necessary to support the fantastically wet and complex Amazonian climate system. Instead, the depleted Amazon will transition into a drier region, unable to naturally repair itself to its previously drenched glory. That's why the recent uptick in fires is a notable problem. The smoke, visible for thousands of kilometres, of tens of human-caused fires in the Amazon forest.

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But the threat is clear. The critical problem is that the rainforest's climate is inextricably tied to the rainforest's very existence. The Amazon's billion or so trees naturally evaporate water vapor into the air. This feeds other parts of the forest. What's more, this warm, moist air also lifts into the higher atmosphere, producing unstable weather and towering storms that can tap into an entirely new source of water, the moisture zipping through the water-rich jet stream , miles up in the atmosphere, explained Randerson.

Point Of No Return

What can GlobalForestWatch tell us about the fires in Brazil? So far in , the region is experiencing more fires, with more intense burns, than in recent years. If enough trees are logged, the rainforest could lose this atmospheric firehose and become a profoundly drier place, unable to support the dense, tropical plant and animal biodiversity that it now sustains.

At that point, regrowing the forest might become impossible. A projection found that if the Amazon reaches around 40 percent of forest converted into pastureland, the sprawling eastern Amazon will see a nearly 20 percent decrease in rainfall. Increasingly arid climes would likely mean that drier grassland savannah would replace rainforest, the research concluded. But that 40 percent number may be overly optimistic. Carlos Nobre, a Brazilian scientist who researches the climate impacts of Amazon's deforestation, recently concluded that — when accounting for the potent confluence of deforestation, rising global temperatures , and fires — vast swathes of the Amazon may "flip" to drier, non-forest ecosystems at between 20 to 25 percent deforestation.

That's near where we are now.

Exposé - Point Of No Return (Official Video)

Indeed, the tipping point likely lies between 20 and 40 percent of the Amazon's deforestation, said Bruna. If we do pass the tipping point, we won't know it right away. But we'll figure it out soon enough, as the region grows increasingly arid. To avoid crossing an irreversible threshold in the Amazon, a sensible thing would be to allow portions of the forest, without dispacing people, to regrow.