El Nino and La Nina are naturally-occurring weather events that can devastate the world’s climate, ecosystems, and cultures.<br /><br />As the latest El Nino event forms this summer, with the last occurring in 2016 leading to the hottest year on record, we take a dive into these unique weather patterns and what they mean for the future of our climate.<br /><br />Why do they occur? Do they affect global warming? And just how bad can they get?<br /><br />Independent TV’s Decomplicated series explains El Nino and La Nina.