The massive, ancient trees were once thought to be vulnerable to drought and fire. But now, scientists are attempting to clone and replant them all over the world to absorb greenhouse gasses.
Threatened for decades, the loggerhead sea turtle appears to be making a comeback on the Georgia coast.
Officials say that it is almost impossible to catch those who hunt the rare owls, which use tunnels left behind by prairie dogs to lay their eggs.
Las Vegas this week became the home of the largest solar installation in the nation, and not everyone is celebrating.