የኣየር ንብረት ለውጥ እና ገዳይ ፈንገስ እንዴት የቡና ኣቅርቦታችንን ኣደጋ ላይ እንደጣሉ
How climate change and a deadly fungus are threatening our coffee supply ምንጭ፦ qz.com In the next 24 hours, the world will guzzle 1.6 billion cups of coffee, the most popular beverage on the planet besides water and tea. It’s big business, too: Global coffee exports totaled $28.6 billion in 2013—after oil, it is the world’s most traded commodity. + But there’s something else that likes coffee even more than humans: Hemileia vastatrix, better known as coffee rust or roya disease. It’s a fungal parasite that survives on coffee tree leaves, and in the 2012-13 crop year alone, it caused nearly $499 million in losses (pdf, p.3) among Central American coffee growers. + Worse, big swings in weather resulting from climate change are hastening the spread of this fungus, reports National Geographic , and causing epic droughts on plantations elsewhere in the region. The devastating double-whammy of climate and disease could wipe out as much as two-fifths of Central Am