'Supersized' El Nino could be strongest on record, UN says
The current El Nino could end up being the strongest since records began 40 years ago, the UN warns. It says the phenomenon is being "supersized" thanks to exceptionally warm temperatures in the tropical Pacific Ocean.
<p>The current El Nino could end up being the strongest since records began 40 years ago, the UN warns. It says the phenomenon is being "supersized" thanks to exceptionally warm temperatures in the tropical Pacific Ocean.</p>