我们的地球人口拥挤，威胁充斥于我们的气候、海洋、森林、粮食生产以及水供应，全球旅行和高人口密度增加了世界范围疾病传染的危险。 我们必须求助于我们最佳的科学和工程知识来找到安全的通道。
On a crowded planet with threats to our climate, oceans, forests, food production, and water supply, and with global travel and high population densities increasing the risk of worldwide disease epidemics, we must turn to the best of our scientific and engineering knowledge to find a safe passage.