africa farmer technology Billy Mutai/SOPA Images/LightRocket via Getty Images

咖啡、可可和前沿科技应用

华盛顿——一杯简单的咖啡这种为成百上千万人所喜爱的清晨仪式或许有一天会成为过去。最新研究显示,全世界124种野生咖啡有60%面临日益严重的灭绝威胁,而这主要是森林砍伐的结果。上述潜在遗传多样性的丧失又将反过来限制咖啡适应气候变化和疾病威胁的方式。

身处险境的不仅仅是咖啡。可可和巧克力的未来也同样正受到森林砍伐的威胁。亚马逊的雨林损失正在导致可可的野生亲缘作物灭绝,而在西非地区,它正在快速耗尽土壤养分,大大增加了作物种植的难度。土壤枯竭、树木老化以及病虫害风险增加正在威胁着生产世界绝大部分可可和咖啡的本已贫困的小农的生计。

因为世界范围内有2,500万咖啡种植户和多达600万可可种植户(及其亲属),任何结束这种人和自然资源贫困循环的努力都必须与问题的规模和范围相匹配。幸运的是,巧妙地利用前沿技术有可能能够成功迎接这一挑战。

We hope you're enjoying Project Syndicate.

To continue reading, subscribe now.

Subscribe

Get unlimited access to PS premium content, including in-depth commentaries, book reviews, exclusive interviews, On Point, the Big Picture, the PS Archive, and our annual year-ahead magazine.

Help make our reporting on global health and development issues stronger by answering a short survey.

Take Survey

http://prosyn.org/3GlIHkK/zh;
  1. haass102_ATTAKENAREAFPGettyImages_iranianleaderimagebehindmissiles Atta Kenare/AFP/Getty Images

    Taking on Tehran

    Richard N. Haass

    Forty years after the revolution that ousted the Shah, Iran’s unique political-religious system and government appears strong enough to withstand US pressure and to ride out the country's current economic difficulties. So how should the US minimize the risks to the region posed by the regime?

  2. frankel100_SpencerPlattGettyImages_mansitswithumbrellawallstreet Spencer Platt/Getty Images

    The US Recovery Turns Ten

    Jeffrey Frankel

    The best explanation for the current ten-year US economic expansion – tied for the longest since 1854 – is disappointingly simple: the Great Recession was the worst downturn since the 1930s. And if the dates of American business cycles were determined by the rule that most other countries apply, the current expansion would be far from beating the record.

Cookies and Privacy

We use cookies to improve your experience on our website. To find out more, read our updated cookie policy and privacy policy.