translation.en: The problem I see is that, ultimately, the clash of how we solve that problem of serving those three billion people that need a home, and climate change, are a head-on collision about to happen, or already happening.
translation.zh: 我认为最终的问题是 如何解决 30亿人住房需求 和气候改变的冲突将会很尖锐 或者说已经很尖锐