translation.en: For instance, there are some eco-extremists who think that it would be better for the planet, What happens when such people have mastered synthetic biology techniques that will be widespread by 2050?
translation.zh: 例如，一些生态极端主义者认为 人类的数量越少， 对这颗星球， 对我们生活的地球越好。 当这样的人掌握了 那些将会在2050年可能被普遍推广的 合成生物技术后