TOKYO -- Prices for black tea have risen sharply as extreme heat, floods and disease have ravaged plantations in India, one of the world's largest tea growers.
Extreme weather, disease and economic crisis have shrunk harvests

Reduced production in the wake of Sri Lanka's economic crisis is also pushing up prices. © Getty Images
TOKYO -- Prices for black tea have risen sharply as extreme heat, floods and disease have ravaged plantations in India, one of the world's largest tea growers.