LAS VEGAS (AP) — An advocacy group is calling the Colorado River the nation’s most endangered waterway. An annual American Rivers report doesn’t call pollution the problem. It instead cites drought and demand.
GRAND CANYON NATIONAL PARK, Ariz. (AP) — Google is giving people a way to virtually hike the Grand Canyon. The search giant released images Thursday that map the most popular trails at the park’s South Rim and other walkways.
It’s the most common question visitors to the Grand Canyon ask: “How old is it?” A provocative new study suggests the natural wonder is much older than commonly believed. Using a new tool to date the age of rocks, a team of researchers contends the western section of the Grand Canyon may be 70 million years old.