tasmania has risen by about 3 degrees last 30 years. which doesn't sound very much but enough to change the marine ecosystem here. with temperatures predicted to rise further, it poses serious questions about what the future holds. >> reporter: tasmania is renowned for its nature and richness of marine life, home to a variety of species including seals, dolphins and whales. but nature and man are facing serious challenges. at sunrise fisheries near st. helens in the northeast of the island, they have processed lobsters for more than 20 years. and the industry is facing one of those challenges. tasmania is one of the biggest producers of crayfish and the sought-after abalone fish. it's a business worth more than $17 million a year. but catches are decreasing dramatically. thousands of fishermen have invested up to half a million dollars each for licenses and boats to fish lobster. reduced catches means the price has shot up, too expensive for locals, only affordable for rich markets like japan. and this is the reason -- the long spine se

tasmanias one of the biggest producers of crayfish and the sought ever abone fish. it's ausiness wor more than $17 million a year. but catches are dreasing amatically. thounds of fishermen have inveed up to half million dollars ch for licens and boats toish lobster. reduced catches mans the price hashot up,oo epensive for locals, only affordable for rich markets like japan. and this is the reason the ng spine sea urchin broht herey the warmer currents. it feeds on the rich ke beds on the bottom of the ocean wich provides nutents for the marine life and prey for bsters. below thsurface, you can witns the dturbing effect when tens of thousands of urchinswim over the sea bed. they cree an underwatr dese desert, stripped of all the goodness, a barn wasteland. without the kel theobsters and marine life dappear. tasmania is on the front line of climate change a is feg the effects more than most. it is experienci a wide range of weather fronts from droughts to record rainfall. its treasure and livelihood is s nature and people are all too well aware of what tey can lose. a

no one knows just how he got there from his home in tasmania, nearly 2300 miles away. apparently a vet found him. they identified him using one of the i.d. chips under his skin. clyde was flown back to his hometown and reunited with his owners. as for the epic journey, that's somethg he denieded to keep to himself. perhaps because cats can't talk. >>> tom, you can tell us. tell us what's going on out there. >> doesn't clyde own a restaurant in georgetown? >> that's what he was doing for three years. >> we've got a little fog in the air. there's the national cathedral, live picture from the citi camera. maybe a little sun this morning, cloudy this afternoon. highs mid 70s. small chance of a passing light shower as well as perhaps late tonight. then a greater chance of maybe some rain tomorrow morning. a little light rain perhaps early afternoon on thursday, then a drying trend just in time for at least the first half of the weekend, friday and saturday, maybe rain late on sunday. >> my favorite part of being here for a couple days, i had no idea that tom kierein was so

the flighty feline disappeared three years ago, somehow making it off the island of tasmania more thaneensland on mainland australia. he was found by a veterinarian who was able to i.d. him because of a microchip under his skin. good thing for that cat that he had that microchip. it's now six minutes past the hour. let's go right across the way to al. >> he was transported there by a spinning rodent. >> yeah. ba da bomp. >> let's check your weather, show you what's going on for today, we've got that low-pressure system, will not move, bringing heavy rain from parts of oklahoma on into tennessee. we are talking about anywhere from twoo#o#o#o#o#o#o#o#o#o#/#o >>> good morning. we have partly sunny skies here in washington on the eastern shore getting a light shower and northern delaware and the lower part of the eastern shore. elsewhere, no precipitation now. temperatures in washington, 69 degrees. a northeast breeze. highs today into the mid 70s. quite a bit of cloudiness and a small shower this afternoon. >>> now on "today's money 911," our special half hour dedicated to solving your mo