Every prediction is “dire.”  And every climate summit is the ‘last chance. See: See: Every climate summit is hailed as the ‘last chance!’ And as early as 1864, “tipping points” about the “extinction of the species” and climate were issued.

UN IPCC’s & Penn State’s Michael Mann loves the word ‘dire’

‘Dire’ environmental & climate round-up
By Dennis Ambler

2006: A load of hot air? Dire warning
http://news.bbc.co.uk/1/hi/magazine/4923504.stm
Hardly a day goes by without a new dire warning about climate change. But some claims are more extreme than others, giving rise to fears that the problem is being oversold and damaging the issue.

2006: Climate scientists issue dire warning
http://www.guardian.co.uk/environment/2006/feb/28/science.frontpagenews

2009: Obama’s energy secretary outlines dire climate change scenario
http://www.guardian.co.uk/environment/2009/feb/04/steven-chu-obama-climate-change-drought
Steve Chu’s warning the clearest sign to date of the greening of America’s political class under Obama

2009: White House Climate Change Report Issues Dire Warning On Worsening Situation
https://web.archive.org/web/20090826144737/http://www.huffingtonpost.com/2009/06/16/white-house-climate-chang_n_216534.html

2009: Scientists issue dire warning on rising sea levels By Dan Brennan 
http://www.wsws.org/articles/2009/apr2009/seas-a02.shtml World Socialist Website

February 2009: Dire new warning on climate from IPCC scientist
by Kate Melville http://www.scienceagogo.com/news/20090115173329data_trunc_sys.shtml

2008: NASA scientist issues dire warning on global warming
https://web.archive.org/web/20080702113234/http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20080624/global_warming_080624/20080624?hub=SciTech

2008: Dire new warning on climate
http://www.theage.com.au/news/national/dire-new-climate-warning/2008/02/20/1203467189745.html?s_cid=rss_news

2006: Scientists Issue Dire Warning on Marine Life – LiveScience
http://www.livescience.com/environment/060705_marine_warning.html

Intergovernmental Panel on Climate Change issues most dire warning yet
http://www.ecologicalhope.org/blog/intergovernmental-panel-on-climate-change-issues-most-dire-warning-yet/

2007: Dire climate warning linked to China and India By Elisabeth Rosenthal Wednesday, November 14, 2007
http://www.nytimes.com/2007/11/14/news/14iht-climate.4.8340800.html?_r=1

2007: World wakes to climate calamity – Dire warning…UN climate report
http://www.smh.com.au/news/environment/world-wakes-to-climate-calamity/2007/02/02/1169919530831.html

2001: Scientists Issue Dire Prediction On Warming By Philip P. Pan > Washington Post Foreign Service 
http://www.washingtonpost.com/wp-dyn/articles/A30706-2001Jan22.html

2009: Global warming: dire warning Barbara Sibbald MAJ
http://www.cmaj.ca/cgi/content/full/164/10/1478-a

2018: Extinction Rebellion discover the word “Dire”
https://www.newscientist.com/article/2184211-frustrated-climate-activists-resort-to-civil-disobedience-in-london/
The idea behind the Extinction Rebellion movement is that governments around the world are failing to do enough to prevent extreme climate change and the ongoing mass extinction. The only choice left, they say, is to rebel.
“The situation is dire, and there are very few governments that are prepared to act,” one of the protestors, Annie Randall, told New Scientist.