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 again. 我们还需要能够循环使用用来捕获它的材料,持续不断进行捕获。
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 capture it. Let's translate that. 如果仅仅为了捕获一吨二氧化碳而选择在该技
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使用的则是不同的方法。 They use solid materials for capture. Climeworks uses heat from the ea
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 that the CO2 separated be permanently removed from the atmosphere forever, 负排放,需
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 what might that look like? 这意味着什么呢? In 1966, the US invested abo
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 half the land area of Vancouver. 事实上,它们将占据温哥华大约一半的
TED演讲:从大气中移除二氧化碳的新方法(9)
But I want us to reflect a little bit again on negative emissions. 但是我想提醒大家再次对负排放进行反思。 Negative emissions should not be considered a silver bullet, 负排放不应该被当作是万全之策, but they may help
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(1)
I want to introduce you to my badass friends. Meet Thelma and Louise. 我想向你介绍我的朋友们。西尔玛和路易斯。 I'm passionate about cows. 我对奶牛充满了热情。 And although they've been getting a lot of crap lately due to
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(2)
Protein is one of our most important dietary requirements, and evidence shows that lack of essential amino acids, 蛋白质是我们最重要的日常所需,有证据显示,若孩童饮食中缺乏氨基酸, the building blocks of proteins, in
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(3)
We totally underestimate the importance of our smallholder farmers. 我们完全低估了小型养殖户的重要性。 We're beginning to recognize how important they are and how they influence our medical health, 我们现在开始认识到他们有多
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一部分,生产者和消费者,你和我,以及每一位农场主。 We're foc
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 mobile phone subscriptions. 到今年年底,我们将会有接近十亿手机订阅
TED演讲:巴基斯坦女性如何夺回上网的权力(1)
Imagine waking up to a stranger -- sometimes multiple strangers 想象一下,睡梦中醒来时旁边有个陌生人--有时是好几个陌生人, questioning your right to existence for something that you wrote online, 因为你在网上写的文字
TED演讲:巴基斯坦女性如何夺回上网的权力(2)
I come from a very small village in Punjab, Pakistan, where women are not allowed to pursue their higher education. 我来自巴基斯坦旁遮普的一个非常小的村庄,那里不允许妇女接受高等教育。 The elders of my extended famil
TED演讲:巴基斯坦女性如何夺回上网的权力(3)
So I decided to take a step, instead of keep questioning these patriarchal structures and societal norms. 所以我决定采取行动,而不只是继续质疑这些父权制结构和社会规范。 And I founded the Digital Rights Foundation in 201