Becoming hotter today
Your guide to scoping out the best spots across the country for Independence Day.
The most stunning granite gorge in the western United States was protected 150 years ago June 30, by a bill signed by President Abraham Lincoln during the height of the Civil War.
Scientists have long conjectured that climate change would spur families in poor countries to migrate as ever-fiercer storms, floods and other disasters made rural life unbearable. But understanding what specific weather elements would cause people to leave has remained elusive.