
Sep 16, 2026 · 1h 4m
El Niño reshapes weather, food security and wildfire risk
Extreme Meteorology (EL NIÑO) with Marshall Shepherd
Understanding Pacific Ocean cycles helps explain why climate hazards cascade across regions and hit communities with unequal capacity to prepare and recover.
- 1El Niño and La Niña emerge from linked changes in Pacific temperatures, trade winds and atmospheric circulation.
- 2El Niño can shift rainfall, hurricanes, drought, agriculture and wildfire risk across distant regions, including vulnerable food systems.
- 3Better ocean monitoring and practical preparedness can reduce harm, but unequal resources leave some communities far less able to recover.
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Marshall Shepherd connects El Niño’s atmospheric shifts to vegetation growth followed by drying and heightened wildfire risk.
The brief
Marshall Shepherd explains why climate change is not a distant forecast: extreme weather is making its consequences tangible, while communities face sharply unequal recovery costs.
The episode demystifies El Niño and La Niña as linked changes in Pacific Ocean temperatures, trade winds and atmospheric circulation—not isolated weather events.
Those shifts can redirect rainfall, drought, hurricanes and agricultural conditions worldwide, with consequences stretching from South America to vulnerable food-producing regions.
Ocean satellites and in-situ instruments reveal temperature, color and ecosystem changes across a vast, difficult-to-measure system, improving both forecasts and climate understanding.
Shepherd closes the loop from delayed wildfire risk to resilience, arguing that preparedness, better communication and attention to policy are practical responses to climate impacts.
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J. Marshall Shepherd
Pacific Ocean
NASA
Sahara
South America