Delta to invest $1 billion to cut carbon emissions

Delta said the money would go into things such as boosting fuel efficiency and investing in efforts to remove carbon from the atmosphere by planting trees and restoring wetlands.

4 cruise ship passengers test negative for coronavirus

Four passengers who were taken to a hospital after their cruise ship arrived in New Jersey tested negative for a new virus that has sickened more than 20,000 and killed nearly 500, mostly in China.

111-day around-the-world cruise sets sail

Princess Cruises is kicking off its 111-day around-the-world voyage on Monday with about 670 guests and 375 crew members aboard the company's 592-foot Pacific Princess.