*In 1997, the BBC predicted that the [[El Nino]] cycle would last for 18 years of warmth, rather than 18 months.<ref>{{Cite web |title=BBC News Sci/Tech El Nino here to stay |url=http://news.bbc.co.uk/2/hi/science/nature/25433.stm |access-date=2023-06-16 |website=news.bbc.co.uk}}</ref> | *In 1997, the BBC predicted that the [[El Nino]] cycle would last for 18 years of warmth, rather than 18 months.<ref>{{Cite web |title=BBC News Sci/Tech El Nino here to stay |url=http://news.bbc.co.uk/2/hi/science/nature/25433.stm |access-date=2023-06-16 |website=news.bbc.co.uk}}</ref> |