因为毁灭性开发而导致的环境灾难将大规模爆发，但值得欣慰的是，意想不到的新科技发明能够给人类摆脱困境提供帮助。要想象２１世纪是什么样子，不妨现回忆一下１９世纪的伦敦。那时，伦敦街道上的马车越来越多，于是有人惊恐地预测：总有一天英国首都的路面要被没膝深的马粪 The environmental catastrophe caused by devastating development will be massively erupted, but the good news is that unexpected new technological inventions can help humanity get out of the woods. To visualize what the 21st century looks like, recall the nineteenth century London. At that time, there were more and more wagons in the streets of London, so some people were scared to predict that one day the pavement of the British capital would have to be hitched by horse-dung