When the Pacific Changes the World El Niño, Extreme Weather and the Fight for Wildlife
El Niño: The Climate Phenomenon That Can Reshape the World's Weather and Its Consequences for Wildlife The words El Niño are increasingly appearing in weather forecasts and climate discussions. With forecasts during 2026 pointing towards a return of El Niño conditions in the tropical Pacific, concern is growing about the potential for another period of disrupted weather, heat, drought and flooding. But what exactly is El Niño, how does it interact with our warming climate, and what could it mean for the wildlife with which we share the planet? The answer is both fascinating and worrying. What is El Niño? El Niño is part of a natural climate system known as the El Niño–Southern Oscillation , or ENSO . Under normal conditions, powerful trade winds push warm surface water westwards across the equatorial Pacific towards Indonesia and Australia. Cold, nutrient-rich water rises from deeper layers in the eastern Pacific, particularly off the coast of South America. D...