Sustainability in agriculture isn't an option—it's a necessity for survival.

The quality of ideas seems to play a minor role in mass movement leadership. What counts is the arrogant gesture, the complete disregard of the opinion of others, the singlehanded defiance of the world.

Collaboration across borders and disciplines is the key to solving the world's most pressing health challenges.

The quality of a country's institutions is the single most important determinant of its long-term economic performance.