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No. of Recommendations: 5
2001:
A Global Warming Treaty's Last Chance
http://content.time.com/time/world/article/0,8599,167699,00....

2005:
Climate change: It's now or never
www.independent.co.uk/environment/climate-change-its-now-or-...
For 15 years I've watched international progress on climate change get slower and slower, even while the pace of global warming seems to get ever more rapid. With time running out for the global climate, your meeting in Montreal represents a last chance for action.

2007:
Climate talks 'last chance' to avoid catastrophe
www.nzherald.co.nz/world/news/article.cfm?c_id=2&objecti...

2008:
www.theage.com.au/national/climate-opposition-suicidal-flann...
"This round of negotiations is likely to be our last chance as a species to deal with the problem."

2009:
World faces last chance to avoid fatal warming
www.reuters.com/article/us-eu-climate/world-faces-last-chanc...

2010:
Cancun climate change talks: 'last chance’ in the snakepit
www.telegraph.co.uk/journalists/geoffrey-lean/8166926/Cancun...

2011:
Durban climate change meeting is "the last chance"
www.ucanews.com/news/durban-climate-change-meeting-is-the-la...

2013:
Last chance: Change needed for climate negotiations in Lima 2014
https://wwf.panda.org/?212630/Last-chance-change-needed-for-...

2015:
Climate change: Paris 'last chance' for action
www.bbc.com/news/science-environment-32399909

2016
https://insideclimatenews.org/news/03112016/un-climate-scien...
The next three years provide the "last chance" to limit global warming to safe limits in this century, the United Nations said, as it geared up for a conference in Morocco

2018:
Last chance to curb greenhouse gas emissions and climate change to limit catastrophic effects, international panel says
https://cen.acs.org/environment/climate-change/Last-chance-c...

2019:
UN climate change summit opens in Madrid amid last chance warnings
www.cityam.com/un-climate-change-summit-opens-in-madrid-amid...

DB2
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No. of Recommendations: 2
2020:
www.theguardian.com/australia-news/2020/sep/17/the-megafires...
Increasingly, many experts are viewing 2021, and specifically the UN climate change conference to be held in Glasgow late that year, as humanity’s last chance to avoid an environmental apocalypse.

DB2
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No. of Recommendations: 2
And to summarize this thread and bring it into perspective

Year Prediction
2001: Global Warming Treaty's Last Chance
2005: Climate change: It's now or never
2007: Climate talks 'last chance' to avoid catastrophe
2008: ...our last chance as a species to deal with the problem
2009: World faces last chance to avoid fatal warming
2010: Cancun climate change talks: 'last chance’ in the snakepit
2011: Durban climate change meeting is "the last chance"
2013: Last chance: Change needed for climate negotiations in Lima 2014
2015: Climate change: Paris 'last chance' for action
2016 The next three years provide the "last chance" to limit global warming...
2018: Last chance to curb greenhouse gas emissions and climate change
2019: UN climate change summit opens in Madrid amid last chance warnings
2020: ...last chance to avoid an environmental apocalypse.

I am getting scared. How about you?


-=Ajax=-
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No. of Recommendations: 3
From June 24th, 2008:

NASA Scientist: "We're toast"
https://news.google.com/newspapers?nid=1988&dat=20080624...
Exactly 20 years after warning America about global warming, a top NASA scientist said the situation has gotten so bad that the world's only hope is drastic action....

"We're toast if we don't get on a very different path," Hansen, director of the Goddard Institute of Space Sciences who is sometimes called The Godfather of global warming science, told the Associated Press. "This is the last chance."....

Hansen, echoing work by other scientists, said that in five to 10 years, the Arctic will be free of sea ice in the summer.

DB2
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No. of Recommendations: 1
Bob quoted an AP writer from 2008 "Hansen, echoing work by other scientists, said that in five to 10 years, the Arctic will be free of sea ice in the summer."

But, knowing Hansen, I very seriously doubt he made that simple unqualified declaration. More likely the AP writer condensed and simplified his statement to get that summary and left off whatever qualifiers Hansen put in. But, Bob will keep bringing this up ad infinitum ...

The global temperature has certainly soared since 2008. The five year average in 2008 was about +.63 degrees Celsius above the 1951-1980 average, while in 2019 it was +.98C, for a gain of .35C (.6 degrees Fahrenheit) in 11 years.
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No. of Recommendations: 0
Bob quoted an AP writer from 2008 "Hansen, echoing work by other scientists, said that in five to 10 years, the Arctic will be free of sea ice in the summer." But, knowing Hansen, I very seriously doubt he made that simple unqualified declaration.

It wouldn't surprise me if he said something similar, such as 'the Arctic may well be ice free in the summer in five or ten years'. At that time (maybe still?) Hansen was concerned about 'tipping points'. For example, I found this post from late 2007:

https://boards.fool.com/arctic-thaw-may-be-at-quottipping-po...
A record melt of Arctic summer sea ice this month may be a sign that global warming is reaching a critical trigger point that could accelerate the northern thaw, some scientists say."The reason so much (of the Arctic ice) went suddenly is that it is hitting a tipping point that we have been warning about for the past few years," James Hansen, director of NASA's Goddard Institute for Space Studies, told Reuters.

DB2
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No. of Recommendations: 1
It wouldn't surprise me if he said something similar, such as 'the Arctic may well be ice free in the summer in five or ten years'.

When I've read direct quotes from Hansen on this, he says something more like "some scientists project that the Arctic could be ice free during the peak September melt as soon as five to ten years from now", with multiple words and phrases indicating the uncertainties involved in projecting Arctic ice melt as opposed to the simple declarative 'will happen' that the AP writer summarized.
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No. of Recommendations: 4
Hansen, echoing work by other scientists, said that in five to 10 years, the Arctic will be free of sea ice in the summer. DB2

He said that in 2008 so, is the Arctic ice free?

And in 1988, Hansen told us that Lower Manhattan would be underwater by 2018.

Question: Is the sea level rising around Manhattan?

Answer: No. In fact, Lower Manhattan sea level is slightly lower now than it was 20 years ago. https://realclimatescience.com/2018/06/hansen-got-it-right/

But hey, this is "our last chance," otherwise, "We are toast!" Imagine that.


-=Ajax=-
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No. of Recommendations: 2
When I've read direct quotes from Hansen on this....

Why no link to his "direct quote"?
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No. of Recommendations: 6
2001:
A Global Warming Treaty's Last Chance

2007:
Climate talks 'last chance' to avoid catastrophe

2015:
Climate change: Paris 'last chance' for action


2021:
John Kerry: UK climate summit is world's 'last best chance'
www.bbc.com/news/world-us-canada-55836163

DB2
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No. of Recommendations: 3
The risks of communicating extreme climate forecasts
www.eurekalert.org/pub_releases/2021-02/coec-tro022421.php
For decades, climate change researchers and activists have used dramatic forecasts to attempt to influence public perception of the problem and as a call to action on climate change. These forecasts have frequently been for events that might be called "apocalyptic," because they predict cataclysmic events resulting from climate change. In a new paper published in the International Journal of Global Warming, Carnegie Mellon University's David Rode and Paul Fischbeck argue that making such forecasts can be counterproductive....

Fischbeck noted, "from a forecasting perspective, the 'problem' is not only that all of the expired forecasts were wrong, but also that so many of them never admitted to any uncertainty about the date. About 43% of the forecasts in our dataset made no mention of uncertainty."....

The researchers noted that the average time horizon before a climate apocalypse for the 11 predictions made prior to 2000 was 22 years, while for the 68 predictions made after 2000, the average time horizon was 21 years. Despite the passage of time, little has changed--across a half a century of forecasts; the apocalypse is always about 20 years out.

DB2
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