A scientist offers compelling visions and potential pitfalls of the future—in “a journey through time, space, and the human experience” (Dr. Tanya Harriso

The Earth's climate is already warming due to increased concentrations of human-produced greenhouse gases in the atmosphere, and the specter of rising sea level

Economics has always had a moral dimension; even free-market mascot Adam Smith was a Christian minister. Yet recent events have renewed and recast theological r

"When Iranians overthrew their monarchy, rejecting a pro-Western shah in favor of an Islamic regime, many observers predicted that revolutionary turmoil would p

A history of climate change describes the dramatic evolution and stabilization of the oceans before the rise of humans approximately 6,000 years ago, tracing a