nobel prize

The Nobel Peace Prize goes to former US Vice President Al Gore and the IPCC for their efforts to communicate the dangers of climate change.

The Bangladeshi economist Muhammad Yunus founds the Grameen Bank as a new model for addressing local poverty by providing microloans.

Wangari Maathai, an environmentalist from Kenya, becomes the first African woman to win the Nobel Peace Prize.

German physicist Albert Einstein explains the photoelectric effect.