预测的悖论:技术能力与现实危机的脱节
我们拥有预测干旱和洪水的能力,甚至可以提前数周甚至数月预知,然而我们却一次又一次地看到相同的危机重演:农作物歉收、经济与环境的毁灭性打击以及大规模人口迁移。这些危机世代以来一直困扰着饱受饥荒之苦的社区。这显然不是一个预测问题,而是一个“翻译”问题——一个我在2015年痛苦领悟到的问题。
当时,我配备了当时最先进的工具,包括一台昂贵的无人机,并与我的团队一起在卡拉莫贾度过了2015年8月,记录又一个失败的种植季。而这个季节的干旱,我早在几个月前就通过卫星数据预测到了。这是当时东非数十年来最严重的干旱之一,影响了乌干达、肯尼亚、索马里和埃塞俄比亚的3000万人。
实地考察后,我做了一件研究人员很少做的事:我直接去了总理办公室。在我第二次向几位部长做完汇报的24小时内,食品卡车于2015年9月26日被派往卡马加亚。恰好是10年前的本周。那标志着总理办公室首次利用卫星数据触发了紧急响应。此后,我协助设计了一个项目,旨在主动释放资金,为受干旱影响的社区提供替代就业支持。该项目在五年内支持了45万人,为政府节省了数百万美元的紧急响应费用,并部署了包括环境恢复在内的多个项目。
然而,当时困扰我至今的问题依然存在:如果我们能在24小时内动员紧急响应,为什么就不能阻止这些本可预测的危机发生呢?这种悖论随着时间的推移而加深,因为今天我们所拥有的能力,使得2015年的“最佳”工具看起来如同原始设备。我们拥有超过8000颗卫星、人工智能模型以及强大的计算能力,可以利用这些数据与其他数据集相结合,以前所未有的规模和速度产生信息。
如果能将这些与作物科学、移动银行、机械化等领域的进步结合起来……其可能性似乎是无限的。然而,就在去年(2024年),近三分之一的人担心下一顿饭的来源。自20世纪80年代以来,气候灾害的发生频率已翻倍。那么问题来了:为什么这种情况还在持续发生?我想通过一个故事来帮助大家理解,为何我们拥有如此惊人的能力,却无法为农民提供清晰的信息,帮助他们提高产量、通过减少收获后损失来保存农产品,并获得替代收入以度过艰难时期。我们拥有令人难以置信的技术,却缺少能够将我们的预测(例如关于干旱的预测)转化为农民真正需要、帮助他们蓬勃发展的切实解决方案的“翻译者”。
Original English
We can predict droughts, floods weeks, even months in advance, yet we still see the same crises unfold. Crop failure, economic and environmental devastation and displacement: the same crises that have trapped famine communities for generations. This is obviously not a prediction problem, it's a translation problem, one that I came to realize painfully in 2015. Equipped with the best tools available at the time, including that very expensive fancy drone, I spent August 2015 with my team in Karamoja, documenting yet another failed cropping season, one that I predicted months earlier, using satellite data. This was part of the worst drought in East Africa in decades, affecting 30 million people in Uganda, Kenya, Somalia and Ethiopia. After my field work, I did something researchers rarely do. I went straight to the office of the prime minister, and 24 hours after my second presentation to several ministers, food trucks were dispatched to Kamagaya on September 26th, 2015, exactly 10 years this week, which marked the first time the office used satellite data to trigger an emergency response. Following this, I helped design a program that would proactively release financing to support alternative employment for communities affected by drought. This program went on to support 450,000 people over five years, saving the government millions in emergency response and deploying several projects that included environmental restoration. But what haunted me then, and is still true today, is this. If we could mobilize emergency response within 24 hours, why couldn't we prevent this predictable crisis from unfolding? This paradox has deepened because today's capabilities make 2015's best look primitive. We have over 8,000 satellites and AI models and computation power that will make predictions, using this data with other data sets, to produce information at unprecedented scales and at unprecedented speeds. Yet, if you can combine this with advances in crop science ... mobile banking, mechanization, the possibilities seem limitless. Yet just last year, in 2024, nearly one in three people were worried about where their next meal will come from. Climate disasters have more than doubled since the 1980s. So the question is: Why does this keep happening? I would like to tell you a story that will help you bridge the gap between why we have such incredible capabilities and are unable to deliver clear information for a farmer, for example to increase their yield, save their produce by reducing post-harvest losses, and having alternative income so they can survive through tough times. We have incredible technology, but we're missing translators to connect our predictions of that drought, for example, to real, tangible solutions that can get a farmer what they actually need to thrive.
玛丽的故事:小农户的现实困境与潜在希望
我想分享一个名叫玛丽的故事,她的经历代表了全球数百万小农户的处境。玛丽并非她的真名,但她是坦桑尼亚伊林加的一位农民。她的故事很容易就发生在乌干达、马达加斯加或塞内加尔,或者任何小农户面临类似挑战的国家。
今天的现实是这样的:对于玛丽和她的邻居们来说,他们通常在二月、三月播种,以期在六月、七月收获。今年,玛丽购买了改良后的种子,以及她从广播节目中得知的一种肥料。不幸的是,尽管她寄予厚望,但降雨并不规律,她在一英亩的地里只收获了800公斤。她赖以为继的家禽生意最近也崩溃了,所以她没有任何储蓄。这又是一个仅仅为了生存而度过的年份。
现在,请想象一下,如果玛丽在1月份确实收到了季节性信息。这份信息不仅包括了干旱预测,还明确了她何时何地可以获得肥料,推荐了播种日期,而最关键的是,她获得了融资渠道,可以购买一台水泵,以便在旱季进行灌溉。到了7月,玛丽收获了3000公斤。她有足够的粮食支撑到下一次收获,有足够的收入,因为她能够接触到那些为她的农产品提供更高价格的买家,并且有储存设施,可以等到市场稳定后再出售。她可以送女儿上学,但最重要的是,她有了额外的收入,可以恢复她的家禽生意。
这不是科幻小说。让她获得这笔额外收入的所有工具和技术今天都已存在。那么,为什么玛丽仍然被困住?为什么她会因为这些本可预测的危机而屡屡受挫?
Original English
I'd like to share the story of Mary, whose experience represents millions of smallholder farmers around the world. Mary is not her real name, but she's a farmer in Iringa, Tanzania. But her story could easily be from Uganda, Madagascar or Senegal, or any other country where smallholders face similar challenges. Today's reality is this. For Mary and her neighbors, they plant February, March, for June, July harvests. This year, Mary acquired improved seeds, along with fertilizer that she heard about from a radio program. Unfortunately, despite her best hopes, rainfall was irregular, and she only harvested 800 kilograms from her one-acre plot. Her poultry business that used to provide critical backup income recently collapsed, so she does not have any savings. And it's just another year of surviving. Now imagine that Mary did in fact receive seasonal information sometime in January. Not only did it include the drought prediction, it included when and where she could access fertilizer, a recommended planting date, but most critical is that she has access to financing, that she could acquire a water pump so she could irrigate during dry spells. Come July, Mary has 3,000 kilograms. She has enough to see her through the next harvest, enough income, because she has access to buyers who provide premium prices for her produce, and storage so she can store it until markets stabilize. She can send her daughter to school, but most critically, she has extra income, so she can revive her poultry business. This is not science fiction. All the tools, all the technologies to get her that extra income exist today. So why is Mary still stuck? Why does she get set back by very predictable crises?
定义“混乱的中间地带”:技术与现实的鸿沟
挑战就存在于这个“混乱的中间地带”(messy middle)——一个介于我们能力超群的预测与评估,以及玛丽在地面的真实、可触及解决方案之间的复杂关系网和现实生活挑战。对玛丽来说,这就像我们所有的技术都消失进了黑洞。根据我的经验,干旱预测并不能直接送来水泵,它们只会产生报告。
再加上一个复杂因素:玛丽的田地面积小且不规则,无法匹配我们理想化的像素网格。我们对绘制像玛丽这样的田地信息做得非常糟糕。此外,像玛丽所在地区这样的大多数区域,我们用于改进预测并真正将其落地所需的基础设施,在很大程度上是缺失的。
这个复杂而混乱的中间地带,正是所有能力在此枯萎的地方,因为它需要技术本身无法提供的东西。例如,它需要与一位推广服务人员(extension agent)合作,这位人员不仅能分发肥料、培训农民,还能出色地收集数据,而不是取代他们。它还需要以一种银行能够理解的方式呈现我们的信息,这样银行才能投资于像玛丽这样的农民,而她下个月就需要播种。
Original English
The challenge lies in this messy middle, the complex web of relationships and real-life challenges that stand between our incredibly capable predictions and assessments and real, tangible solutions for Mary on the ground. For Mary, it's as if all our technology disappears into a black hole. And in my experience, drought predictions do not deliver pumps to the ground. They produce bulletins. Add to this complexity the fact that Mary has a small, irregular sized field that doesn't fit our perfect pixels. We are doing a terrible job mapping fields like Mary's. In addition to this, the basic infrastructure required for us to improve our predictions and really bring them to the ground are largely missing for regions like where Mary is based. This complex, messy middle is where all the capabilities shrivel, because it requires things that technology alone cannot provide. For example, it would require partnering with an extension agent who not only delivers fertilizer, trains a farmer and is an excellent data collector, but not replacing them. It would also require presenting our information in a way that is accessible to a bank, so that they can invest in a farmer like Mary, who needs to plant next month.
前进的道路:五项根本性转变与影响评估
那么,前进的道路是什么?我们是选择扩大这个“混乱的中间地带”,这个“翻译鸿沟”,通过创造更多由技术驱动的孤岛;还是利用我们当前的能力,冒险去连接它们与地面的真实解决方案?
要做到这一点,我们需要进行五项根本性的转变。
第一,我们需要专注于翻译,这意味着我们要强调可靠性而非完美性。一个准确率80%但能为玛丽送去水泵的模型,远比一个准确率90%却永远只存在于研究论文或仪表盘上的模型要好得多。
第二,这需要我们不仅填补关键的数据空白,以便我们能更好地预测和评估玛丽田地的状况,我们还需要确保我们的预测能够被实际评估。
第三,我们需要转变我们为气候响应融资的方式,将重点放在能够促成主动响应的预测上,这样玛丽才能够收回她的投资。鼓励主动规划的政策,优于强调紧急响应的政策。
第四,这也意味着我们需要激励我们如何将政策制定者和地面人员与我们的工具和技术能够提供的真正进展联系起来。
第五是人。我们需要将地面上的人们视为加速器,他们能够将我们提供的信息与真实的解决方案——改良种子、灌溉基础设施等——联系起来。
我说有五项,但我还有一项,也是最重要的一项。那就是我们如何评估影响。我们共同的努力不能仅仅通过项目的数量或模型的准确性来衡量。它应该通过那些帮助玛丽、提升她成为一个有韧性家庭的额外收入来衡量。
养活世界的科技已经存在。现在,我们需要弥合这个翻译鸿沟,从数据走向决策,从预测走向预防。谢谢大家。
Original English
So what is the path forward? We can either expand this messy middle, this translation gap, by creating more tech-driven silos, or we can use our current capabilities and venture to connect them to real solutions on the ground. To do this, there are five fundamental shifts that we would need to do. The first is we need to focus on translating, and this would require we're emphasizing reliability over perfection. A model that is 80 percent accurate, that delivers a pump to Mary, is far better than one that's 90 percent accurate, that never leaves our research paper or dashboard. It would require that not only do we fill that critical data gap, so we are better able to predict and assess the conditions in Mary's field, we would need to make sure our predictions can actually be evaluated. Number three, it would require shifting how we finance climate response, focusing on predictions that will get proactive responses so that Mary is able to recover her investment. Policies that encourage proactive planning are better than policies that emphasize emergency response. This would also mean we incentivize how we can connect our policymakers and people on the ground with the real advances our tools and technologies are able to provide. The fifth is people. We need to see people on the ground as accelerators, as people who are able to connect the real information that we're providing with real solutions -- improved seeds, irrigation infrastructure, etc. And I said five, but I have one more, and it's the most important. It's how we evaluate impact. Our combined effort cannot be measured by the number of projects or model accuracies. It should be measured by that extra income that helps Mary and uplifts her to become a resilient household. The technology to feed the world exists. Now we need to bridge this translation gap and move from data to decision, and prediction to prevention. Thank you. (Cheers and applause)