We must balance the need for energy security with the imperative of reducing emissions.

Architecture should speak of its time and place, but yearn for timelessness.

Investing in cleaner coal technologies is investing in our planet's future.

我们今天提出的问题将塑造明天的解决方案。

The pen is mightier than the sword if the sword is very short, and the pen is very sharp.

"The hardest part of being a machine is pretending to be human."