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World Scientists Warning the Humanity: A second Notice

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World Scientists Warning the Humanity: A second Notice

Post Aëlwenn on Mon 13 Nov - 17:36

Twenty-five years ago, the Union of Concerned Scientists and more than 1700 independent scientists, including the majority of living Nobel laureates in the sciences, penned the 1992 “World Scientists’ Warning to Humanity” (see supplemental file S1). These concerned professionals called on humankind to curtail environmental destruction and cautioned that “a great change in our stewardship of the Earth and the life on it is required, if vast human misery is to be avoided.” In their manifesto, they showed that humans were on a collision course with the natural world. They expressed concern about current, impending, or potential damage on planet Earth involving ozone depletion, freshwater availability, marine life depletion, ocean dead zones, forest loss, biodiversity destruction, climate change, and continued human population growth. They proclaimed that fundamental changes were urgently needed to avoid the consequences our present course would bring.

The authors of the 1992 declaration feared that humanity was pushing Earth's ecosystems beyond their capacities to support the web of life. They described how we are fast approaching many of the limits of what the ­biosphere can tolerate ­without ­substantial and irreversible harm. The scientists pleaded that we stabilize the human population, describing how our large numbers—swelled by another 2 billion people since 1992, a 35 percent increase—exert stresses on Earth that can overwhelm other efforts to realize a sustainable future (Crist et al. 2017). They implored that we cut greenhouse gas (GHG) emissions and phase out fossil fuels, reduce deforestation, and reverse the trend of collapsing biodiversity.

On the twenty-fifth anniversary of their call, we look back at their warning and evaluate the human response by exploring available time-series data. Since 1992, with the exception of stabilizing the stratospheric ozone layer, humanity has failed to make sufficient progress in generally solving these foreseen environmental challenges, and alarmingly, most of them are getting far worse (figure 1, file S1). Especially troubling is the current trajectory of potentially catastrophic climate change due to rising GHGs from burning fossil fuels (Hansen et al. 2013), deforestation (Keenan et al. 2015), and agricultural production—particularly from farming ruminants for meat consumption (Ripple et al. 2014). Moreover, we have unleashed a mass extinction event, the sixth in roughly 540 million years, wherein many current life forms could be annihilated or at least committed to extinction by the end of this century.

Humanity is now being given a second notice, as illustrated by these alarming trends (figure 1). We are jeopardizing our future by not reining in our intense but geographically and demographically uneven material consumption and by not perceiving continued rapid population growth as a primary driver behind many ecological and even societal threats (Crist et al. 2017). By failing to adequately limit population growth, reassess the role of an economy rooted in growth, reduce greenhouse gases, incentivize renewable energy, protect habitat, restore ecosystems, curb pollution, halt defaunation, and constrain invasive alien species, humanity is not taking the urgent steps needed to safeguard our imperilled biosphere.

As most political leaders respond to pressure, scientists, media influencers, and lay citizens must insist that their governments take immediate action as a moral imperative to current and future generations of human and other life. With a groundswell of organized grassroots efforts, dogged opposition can be overcome and political leaders compelled to do the right thing. It is also time to re-examine and change our individual behaviors, including limiting our own reproduction (ideally to replacement level at most) and drastically diminishing our per capita ­consumption of fossil fuels, meat, and other resources.



Following in the article...


https://academic.oup.com/bioscience/article/doi/10.1093/biosci/bix125/4605229
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Aëlwenn
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Re: World Scientists Warning the Humanity: A second Notice

Post Neon Knight on Mon 13 Nov - 23:07

Let's look at the graphs: here

I used to think things would change and environmental politics would grow stronger, but I eventually realised that most people were not going to change their behaviour and that politicians would just continue fiddling while Rome burned.


Last edited by Neon Knight on Wed 15 Nov - 22:53; edited 3 times in total

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Re: World Scientists Warning the Humanity: A second Notice

Post Neon Knight on Mon 13 Nov - 23:08

On a lighter note:



The end of the world kicks ass!

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Re: World Scientists Warning the Humanity: A second Notice

Post OsricPearl on Tue 14 Nov - 1:30

I'm not terribly concerned about Climate Change because warming is good for humans. It's the fresh water problem that concerns me, and the fact that there is a huge population boom in Africa and few of those countries are food exporters. It's crazy. We're told to control our mating practices, but they can have children willy-nilly and no one says a word. It's crazy. Rolling Eyes

There is a stupid article on Apricity which is about how scientists want to get rid of black people. Lol. yeah right. LOL 1
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Re: World Scientists Warning the Humanity: A second Notice

Post Sary on Tue 14 Nov - 10:14

@OsricPearl wrote:I'm not terribly concerned about Climate Change because warming is good for humans. It's the fresh water problem that concerns me, and the fact that there is a huge population boom in Africa and few of those countries are food exporters. It's crazy. We're told to control our mating practices, but they can have children willy-nilly and no one says a word. It's crazy. Rolling Eyes

There is a stupid article on Apricity which is about how scientists want to get rid of black people. Lol. yeah right. LOL 1

People have been told for years that the world is in danger from over population,when in fact the opposite is going to be the problem.
It is strange for me to see the younger generation putting off marriage and children. Many smart ,educated western women are choosing not to have families at all. I don't know if it is for selfish reasons,maybe they are afraid of harming the planet,a negative view of the world or maybe there are simply not enough suitable men?
Whatever the reasons,they should realize that being a mother is a very important wonderful thing!


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Re: World Scientists Warning the Humanity: A second Notice

Post Neon Knight on Wed 15 Nov - 1:21

I just googled "ageing population not a problem" and, sure enough, various articles came up from that angle. When experts disagree with each other, how do we decide what the truth is? Well, we just don't know. Life is so complex we cannot bank on any of these predictions. But I think it is basic common sense to be careful with natural resources and to avoid polluting the environment a lot with substances we don't fully know the effects of.

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