. >> near polson montana biologist aimee hurt is using one of the most effective tools available to prevent an invasive species infiltration. her four legged, furry partner - wicket, is a conservation dog---trained to sniff out endangered species as well as invasive species. >> when did this idea of using dogs in conservation first get started? >> field biologists have taken their pet dogs out with them all the time when they are looking for something ... and dogs are like oh you're looking for this i can help you with this let me point it out...what conservation dogs do differently is that...maybe this month we're working on one thing and the next month we're working on something else. >> on this deployment, the dogs will be working to detect zebra and quagga mussels. these mussels will clog industrial pipes, coat and contaminate beaches and cause harmful bacteria to wipe out ecosystems. the great lakes region of the u.s. is considered ground zero... where mussels were first introduced, and rapidly spread. so far, montana is one of the few states that's remained mussel free. let's meet our

and the polson institute is the biggest programs we have our air quality and climate, and a u.s. of china council focus on sustainable urbanization. so him and i see where the question comes from because if you had asked me going back, if i'm sitting here today and i didn't know how bad the air was which i sure do, i just was a couple of weeks ago was at ground zero of this problem. you could hardly see you couldn't see the sun come and everything was archaic. a chapter in my book is called darkness at noon. but if most of all the things the chinese were doing in terms of investing in a new clean technologies, turning down shutting down dirty plants i wouldn't expect a situation would still be come would've got worse. but it's all been blown away any kind of progress by this breakneck growth, which is a model which is unsustainable. energy intensive development within energy inefficient economy. so what gives me hope okay because, so what gives me hope several things, and optimism. first, the leaders understand the problem picked on because the chinese people do. the chinese peop