The volatility of coffee prices over the last two decades has been the biggest challenge for farmers and cooperatives in Mexico, and may be the single greatest factor threatening to make Chiapas' tasty shade-grown coffee a "threatened species." This threat matters, beyond denying coffee drinkers a favored brew or forcing farmers to seek more lucrative crops, because, as I explained last week, the traditional methods of growing coffee plants offer huge environmental benefits for the region. But volatile prices and politics help foster mistrust, while war and climate change batter the ... Read More