Efficiency in resource use isn’t just good for the planet—it’s good for business.

可持续发展不仅仅是一种趋势，更是我们对后代的责任。

The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.

类比城市是一个类似于另一个城市的城市。

做出伟大工作的唯一途径是热爱你所做的事。