energy April 19, 2017 5:04 pm What Green Initiatives Are 5 of the Most Valuable Companies Involved In? In honor of Earth Week, NBC looked at 5 of the most valuable companies to see what kind of green initiatives they are engaged in. US & World Videos 1:04 Hunter Biden plans to sue Fox News 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South