visual proof of mendenhall's steady retreat. in the winter, will this come back? >> the retreat sends to slow down in the wintertime. maybe it stabilizes or creeps forward a tiny little bit. but boy, as soon as the warming season comes back on, it continues to gobble itself backwards. >> reporter: the satellite pictures back that up. since '79, half the arctic sea ice have disappeared. just this year, 4.5 scare miles melted away. an area the size of the u.s. and mexico combined. >> okay, here it comes. >> reporter: meanwhile, back when jim was mounting his first ice cameras, an artist in brooklyn was pushing the kind of machine you use to chalk lines on a ball field. after reading a scary 2001 prediction from nasa that climate change powered storms would wipe out entire neighborhoods, she decided to see which neighborhoods, by marking the high water line around new york city. >> this would be under water. this would be dry, so, there would be a little dry strip down the center of the road and all of this would be under water. >> reporter: her chalk was gone by the

antonio brown also out for tte sttelers....guys who will likely see the field...running back rashard mendenhallo hasn't played ssnce october 11th... probable with an &pachillies innjry...and safety ryan cllrk probable after 2 while the n-f-l is on week 11...high school football's wrapping up. up..omorrow the private schooos crown its champ.in the m-i-a-a a division... rivals mmet again... calveet hall and gilman..both 8-and-2.they met back in october... with gilman winning 24-14.the greyyouuds came back to win the game... but on mooday... when play resumed after a storm.gilman the favorite... looking to continue it's championship 10 m-i-a-a titless...but when - they meet on the fiild... tradition doesn't matttr... just x's anddo's. donnld ddvis: " we're going to have o limit the turnovers. &phopefully eliminate any of ou any mistakes they make or any o short comings they may present during the course of he game." henry russell: "they've ppt up a lot of points this year. they spread it out, we'rr going to haae to find a way to stop that. thhy juuped n us earlyyin the first game this year, 14-3 a

antonio brown also out for the steelers....guys who will likely see the field...running bbck rashard mendenhallnce october 11th... probable with an achillies injury...and safety ryan clark probable with a concussion. maryland baskettall couldn't to number 3 kentucky by just 3...yes the one and done wildcats.now they've got until the new year to get things right...that's when a-c-c play . beginn.terps hosting l-i-u brooklyn.1st half...terps up 4...charles mitchell block... up and under layuu...maryland by 6....3 minutes later... logan aaron-haul spots up from beyond the arc...knocks down theetrey...terps up 24-15... &pthey led by 9 at the break.... 2nd half...marylann up 13... starts the break...pe'shon howard gets it backktt tte big man...len throws it down for 2 of his 18...terps up 15....10 minutes later...seth allen reverse layup...he led the terps with 19 off the bench... maryland cruisss: 91-74... high school game of the week time...brought to you by varsity sports network dot com...we're in the playoffs... playoffs...33a east regional final.... tholton and river hill.3rd quarter...14-7 ri