Five Best Ideas of the Day: November 25

1. “White people who are sick and tired of racism should work hard to become white allies.” Here’s how.

By Janee Woods in Quartz

2. We can’t afford to ignore the innovative history of developing countries as we face the impact of climate change.

By Calestous Juma at CNN

3. Aeroponics – growing plants in mist without any soil – may be the future of food.

By Bloomberg Businessweek

4. The Obama White House is still struggling to separate policy from politics, and Defense Secretary Hagel is the latest victim.

By David Rothkopf in Foreign Policy

5. Fewer, better standardized tests can boost student achievement.

By Marc Tucker, Linda Darling-Hammond and John Jackson in Education Week

The Aspen Institute is an educational and policy studies organization based in Washington, D.C.