文章列表

• 1.TED演讲:我们是如何通过手机短信帮助饥饿的孩子填饱肚子的(4)
• We recognize that we are all part of the global food network: producers and consumers, you and me, and every farmer. 我们意识到我们都是全球食物网络的...
• 2.TED演讲:我们是如何通过手机短信帮助饥饿的孩子填饱肚子的(5)
• We're at a very interesting place in agriculture in Africa. 我们处在非洲农业非常有趣的节点上。 By the end of this year, we'll have almost one billion ...
• 3.TED演讲:从大气中移除二氧化碳的新方法(1)
• Four hundred parts per million: that's the approximate concentration of CO2 in the air today. What does this even mean? 百万分之四百：这就是现在空气里...
• 4.TED演讲:从大气中移除二氧化碳的新方法(2)
• So what I'm showing you here is what a system might look like to do just this. 我现在向你们展示的是一个具备这种功能的系统可能的样子。 This is called a...
• 5.TED演讲:从大气中移除二氧化碳的新方法(3)
• And now once you've captured the CO2, 在二氧化碳被捕获之后， you have to be able to recycle that material that you used to capture it, over and over a...
• 6.TED演讲:从大气中移除二氧化碳的新方法(4)
• Now let's talk about costs. 现在让我们谈谈成本问题。 An energy-intensive version of this technology could cost you as much as $1,000 a ton just to cap...
• 7.TED演讲:从大气中移除二氧化碳的新方法(5)
• Switzerland-based Climeworks and US-based Global Thermostat use a different approach. 位于瑞士的Climeworks和位于美国的Global Thermostat使用的则是不同...
• 8.TED演讲:从大气中移除二氧化碳的新方法(6)
• I want to step back, and I want to bring up the concept of negative emissions again. 我想退一步，再次提出负排放的概念。 Negative emissions require tha...
• 9.TED演讲:从大气中移除二氧化碳的新方法(7)
• In addition to those kinds of investments, we also need investments in research and development. 除了这些投资，我们还需要人们在研发项目中投资。 So wha...
• 10.TED演讲:从大气中移除二氧化碳的新方法(8)
• Now, what would it take in terms of land area to do this, 200 plants? 那么要建造200个工厂，需要多少土地呢？ It turns out that they would take up about...