josh and jill dugger talk about their experience in this "impact your world." >> i'm jill dugger. >> and i'm josh dugger. >> we can make a difference with search and rescue. >> and tornado relief in joplin, missouri. we were here in arkansas where we live. >> thoughts started coming. what can we do to help? >> basically we packed everything up and got water bottles, gatorade -- i've been around emergency situations in working as a volunteer firefighter. given that jill, jana are active duty firefighters, they were able to plug right in. join the movement. >> impact your world. >> go to cnn.com/impact. >> there are many ways to impact your world. if you want to help people in the recent tornado outbreaks,

. >> i'm jill dugger. >> i'm josh digger. >> we can make a difference. >> we were here in arkansas where we live when the tornado hit. >> thoughts started coming looking what? what can we do to help. >> we packed everything up and we got water bottles, gatorade. i've been around emergency situations, and, you know, working as a volunteer firefighter. being that jill, john they are active duty volunteer firefighters they were able to plug right in. giving them hope by being there, i think really inspires them to continue on. join the movement. >> impact your world. >> go to cnn.com/impact. [ engine revs ] [ male announcer ] you know what that is? that's the sound of a mid-sized sedan that doesn't whine when you step on the gas. that's the most powerful v-6 engine in its class that also gets 29 miles per gallon on the highway. it's a very rare bird indeed. that's why we put wings on it. ♪ on every surface in your mouth. but did you know those same germs can build up and form a resilient layer called biofilm? biofilm germs are strong enough to survive daily brushing. thankfully, there's lis

. >> hi, i'm jill dugger. >> and i'm josh dugger. >> and we can make a difference with search and rescuein joplin, missouri. we were here in arkansas where we live when the tornado hit. >> thoughts started coming, okay, what can we do to help? >> so basically, we packed everything up, and we got water bottles, gatorade. i have been around emergency situations and, you know, working as a volunteer firefighter. being that jill, jana and john -- they're active duty, volunteer firefighters, they were able to plug right in, giving them hope by being there, i think, really inspires them to continue on. join the movement. >> impact your world. >> go to cnn.com/impact. ooh, a brainteaser. how can expedia now save me even more on my hotel? well, hotels know they can't fill every room every day. like this one. and this one. and oops, my bad. so, they give expedia ginormous discounts with these: unpublished rates. which means i get an even more rockin' hotel, for less. my brain didn't even break a sweat. where you book matters. expedia. an accident doesn't have to slow you down. introducing better

. >> hi, i'm jill dugger. >> and i'm josh duggar. >> and we can make a difference with search and rescueef in joplin, missouri. >> we are here in arkansas when the tornado hit. >> thoughts started coming, what can we do to help? >> basically, we packed everything up and got water bottles, gatorade. i've been around emergency situations, and working as a volunteer firefighter. being that jill, jana, and john had their active duty volunteer firefighters, they were able to plug right in giving them hope by being there, i think, really inspires them to continue on. join the movement. >> impact your world. >> to cnn.com/impact. [ artis brown ] america is facing some tough challenges right now. two of the most important are energy security and economic growth. north america actually has one of the largest oil reserves in the world. a large part of that is oil sands. this resource has the ability to create hundreds of thousands of jobs. at our kearl project in canada, we'll be able to produce these oil sands with the same emissions as many other oils and that's a huge breakthrough. that's good

tornado ripped through joplin, missouri, last month, members of the dugger family took action and drove through the night. and now josh and jillience in this "impact your world." >> i jill duggar. >> and i'm josh duggar. >> we are to help with joplin, missouri. >> we thought, what can we do? >> we got water bottles and gatorade, and i have been around emergency situations and working as a volunteer firefighter, and being that jill and jana and john are active duty volunteer firefighters, they were able to plug right in, and giving them hope by being there, and really inspires them to continue on. join the movement. >> impact your world. >> go to cnn.com/impact. >> well, katie couric may be gone from ncbs, but not television. up next, couric's next big network and career shuffle. we're thinking about them. a couple decades ago, we didn't even realize just how much natural gas was trapped in rocks thousands of feet below us. technology has made it possible to safely unlock this cleanly burning natural gas. this deposits can provide us with fuel for a hundred years, providing energy security and economic growth all across this co