Those concerns were based on bad science promoted by the media. There was no scientific consensus of risk of ice age.
https://journals.ametsoc.org/configurable/content/journals$002fbams$002f89$002f9$002f2008bams2370_1.xml?t:ac=journals%24002fbams%24002f89%24002f9%24002f2008bams2370_1.xml
Those concerns were based on bad science promoted by the media. There was no scientific consensus of risk of ice age.
https://journals.ametsoc.org/configurable/content/journals$002fbams$002f89$002f9$002f2008bams2370_1.xml?t:ac=journals%24002fbams%24002f89%24002f9%24002f2008bams2370_1.xml