Writing is a way of bearing witness.

Natural gas will play a critical role in the energy mix as we move toward a lower-carbon future.

A book is a garden, an orchard, a storehouse, a party, a company by the way, a counselor, a multitude of counselors.

Sustainability in mining isn't an option—it's a responsibility we owe to future generations.

意识产生于神经网络的整合活动。