TODAY   |  April 24, 2013

How much does recycling divert from a landfill?

How many trees are saved with recycled paper? How much soda does the average person consume in a day while working? Along with Adam Werbach of yerdle, TODAY’s Kathie Lee Gifford and Hoda Kotb test viewers’ knowledge for Earth Week.

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>>> we're back with more of "today." we're really to play "who knew?" we thought we would find out how much you know about saving the planet. kathie lee is across the street ready to hand out 100 bucks to those who get the questions right. for those who don't, they get her cd. lucky dogs. here to help me out is cofounder of the sharing site

>> it's a great earth week so far.

>> adam hasn't seen the crowd. just kidding. a lovely lady from ontario. how many trees are saved per every ton of recycled paper ? 5, 10, 13 or 17 trees? how would the average person know?

>> i would say 13 trees.

>> you're close, though. but your grandchild will love this.

>> all right.

>> so 17 trees?

>> it's amazing what we can do with recycling. just be rye cycling a ton of paper, we also save 7,000 gallons of water and 3,000 gallons of oil. and we can do better at recycling.

>> we'll work on that.

>> she knows from texas i'm having trouble. true owes false.

>> 37 two-liter bottles produce one square yard of carpet.

>> true.

>> how did you know that?

>> it's written on the card.

>> do you work for 1-800-empire.

>> no, but it's 50/50.

>> the answer is true. we actually have 36 two-liter bottles over there. i didn't know you make carpet out of the bottles.

>> you can do amazing thing with plastics. we shouldn't be throwing them away. about 75% of the bottled end up in the garbage. this is a good moment for reusing thing.

>> since everyone started drinking bottled water , that's all over the place. back across the street.

>> another lady from ontario. how quickly can glass go from recycling bin back to a store shelf?

>> i'm going to go with the safe answer of c, four months.

>> this will surprise you, i think.

>> the answer here, 30 days ?

>> this is where glass is really incredible. most of the glass we're drinking out of has recycled glass out of it. so our challenge right now is to use more and more of it.

>> do most people have recycling capabilities in their neighborhoods?

>> the rate is about 34%, here in new york it's about 15%. that's one thing that mayor bloomberg is committed to doing better on.

>> look at this face on this beautiful girl from portland. her birthday was earth day . so happy birthday .

>> thank you.

>> true or false, recycling one glass bottle saves enough energy to keep a 100-watt bulb burning for four hours.

>> true.

>> she's not just gorgeous, she's smart too.

>> she's absolutely right. this also brings to the fore the really critical aid to climate change . to make glass you have to heat sand up to 2600 degrees, and it takes a lot of energy to do it.

>> this is a girl from portland's mom, who says she wants the whole world to know that her daughter is single. not for long, honey. how much can recycling divert from a landfill?

>> i will go with 20 million.

>> i don't think so. you're going to love this.

>> we have so much stuff. i read recently that the average american has 62 legos, and there's enough lego -- 62 for every man, woman and child in the planet that have already been created. so instead of storing stuff out, we need to share more effectively and use them together.