Dont bother with that one quigs I was on a forum a few yrs back where a smart fellow was saying that all predictions about CFCs and ozone layer were rubbish and had never eventuated never happened blah blah Another poster put up two pages of real Data from a long study that was done by absolutely reputable institutions with no political Agendas . Without even glancing at it the denialist simply immediately repeated his ridiculous denial . Only fools argue with fools.They have to take a stance and be strong! Unfortunately its now certain history will show them as fools sadly I wish I was wrong. Only interest left in this debate on this forum is how long before DS says we could fit entire population of world into QLD with 1mtr Sq each So how could we possibly be overpopulating ,polluting the earth,and changing the climate and environment? He must be saving that as his knockout blow.
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There is plenty of evidence that people double down on their beliefs when given evidence to the contrary.
See for example https://www.scientificamerican.com/article/how-to-convince-someone-when-facts-fail/?redirect=1
As this article shows, there are ways to combat that, but in terms of climate change, I think there are plenty of people without firm convictions about the cause or effects, who just don't know enough to care.
And the weakness of Shorten, and Get Up, and the Greens (though they are of course distinct organisations, contrary to some opinion) as pointed out by some of their opponents in this thread, are that they are not doing a good job convincing people who don't have a strong position, that they should care.