Bill Nye Explains Climate Change, Acidification With Simple Science Experiments | TODAY

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>>> AND YOU GUYS, I'VE GOT TO SAY — >> YOU LIKE THAT? >> JUST FOR YOU. >> YOU LOOK PRETTY SHARP. IF YOU LIKE TO WORRY ABOUT THINGS YOU'RE LIVING IN A GREAT TIME. >> OKAY. >> SO — THIS IS JUST A TRADITIONAL DEMONSTRATION TO SHOW YOU THE BIG PROBLEM. I'M GOING TO MAKE A MARK ON THIS RED TAPE. AS WE WARM THIS WATER, IT EXPANDS. HERE YOU ARE — HOLD THE BULB. >> HOLD THE BULB. >> SHEINELLE HOLD THE BULB, BOTTOM PART. YOU KNOW IT WILL GO UP. >> SURE. >> THE RED LIQUID WILL GO UP. >> YEAH, YEAH, YEAH. >> SAME IS HAPPENING HERE. THERE YOU GO. AND THE SAME IS HAPPENING WITH THE WORLD'S OCEAN, EVERYBODY. YOU GET THIS ENORMOUS OCEAN JUST A LITTLE BIT WARMER, IT GETS BIGGER, JUST LIKE THIS. JUST LIKE THIS. AND WHEN IT GETS BIGGER, EXOTIC PLACES LIKE NORFOLK, VIRGINIA, GALVESTON, TEXAS TO A LESSER EXTENT MANHATTAN, ARE GOING TO HAVE WATER COMING IN TO YOUR LIVING ROOM, AND PEOPLE ARE GOING TO LEAVE.

WHO'S GOING TO PAY FOR IT? ABANDON HOUSES. IT'S GOING TO BE A DRAG. SEE THAT? IN JUST A FEW SECONDS, WATER EXPANDS. JUST AS, JUST LIKE THE SPIRIT AND THE THERMOMETER. YOU DON'T NEED TO TAKE THAT WITH YOU. >> I'M WALKING BECAUSE — YOU'RE RIGHT. SOMETHING I HADN'T THOUGHT ABOUT. >> DOES GO UP. RIGHT? >> IT DOES. >> MOVING ALONG. THINGS TO DO. >> ANOTHER EXAMPLE. >> ANOTHER IMPORTANT THING. SO HERE IN THE WORLD IN WHICH WE LIVE, THERE WE ARE ADDING CARBON MONOXIDE TO THE AIR EXTRAORDINARILY FAST. THE CARBON MONOXIDE IS MIXING WITH THE OCEAN. HERE'S SOMETHING YOU CAN DO AT HOME. NOTHING BUT FUN. RED CABBAGE, BOILING WATER. >> UH-HUH. >> PRODUCES THIS LIQUID. CRAIG, IF YOU WOULD, PUT THE SHMINKIEST TINY SHMINK OF VINEGAR IN THIS ONE. >> A TINY DROP? >> USE YOUR JUDGMENT. >> WHOA. IT TURNED RED AS IF BY MAGIC. IT'S NOT MAGIC, IT'S — >> VINEGAR.

>> SCIENCE. >> SCIENCE. >> SCIENCE! >> IF YOU WOULD, NOW, BLOW BUBBLES INTO THIS, ALSO. >> BECAUSE YOU BREATHE OUT CARBON DIE Y CARBON DIOXIDE. >> LIKE BREATHING INTO THE EARTH? >> INTO THE AIR. ADDING CARBON DIOXIDE MIXING WITH THE OCEAN FORMING CARBONIC ACID. WHAT SHE'S MIXING HERE. LOOK, IT'S CHANGING COLOR. ADDING THIS TO THE OCEAN IT'S BECOMING MORE AAID– ACIDIC, HARD ON SEA LIFE. YOU'RE WALK, THIRSTY AND SOMEONE HANDS YOU A BOTTLE OF VINEGAR INSTEAD OF WATER. WHAT WE'RE DOING TO THE ATMOSPHERE. THREE THINGS WE WANT FOR EVERYBODY IN THE WORLD. >> CLEAN WATER. >> RIGHT ON. >> CLEAN AIR? >> YEAH, CLEAN AIR, BUT I WAS GOING TO SAY, THE SECOND THING IS, RENEWABLY PRODUCED, RELY ELECTRICITY AND THE THIRD THING IS ACCESS TO THE INTERNET, FOR EVERYBODY IN THE WORLD. >> WE ALWAYS LEARN SOMETHING NEW.

>> TRY THIS AT HOME AND THINK BIG ABOUT CLIMATE CHANGE. LET'S CHANGE THE WORLD. >> I HAVE TO SAY, THANK YOU. IF YOU'D LIKE TO WATCH HIS NEW SHOW "BILL NYE SAVES THE WORLD.".

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