The choice is simple: either we protect nature now, or we pay the price later.

The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.

"Children deserve art that challenges them as much as it delights them."

Collaboration across industries is the key to solving the world's most pressing problems.

The poet is the one who feels intensely and expresses beautifully.

盈利和可持续发展可以也必须共存。