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Apr 22, 2024
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here's cbs's david schechter. >> reporter: a hot spot for research, that's one way to think of this plot of puerto rican forest strung with high voltage lines. >> hi, i'm tana. >> david. >> reporter: dr. tana wood is a research ecologist with the u.s. forest service who studies how tropical forests will respond to climate change. >> how can we get this window into a future warmer world hundreds of years into the future? >> reporter: those black panels are electric heaters running 24/7, warming up this plot of the jungle by 7 degrees fahrenheit. she says worst case scenario, that's how much warmer it could be on earth by the end of the century if we keep emitting heat-trapping carbon from our cars, factories and power plants. this experiment was interrupted by hurricane maria in 2017. and ever since the plants in the heated section have struggled to recover. dead leaves, stunted growth. this looks totally different. >> we have begun to notice that the forest has become shorter and shorter as time has gone on. and so you can visibly see that the forest is experiencing stress under these co
here's cbs's david schechter. >> reporter: a hot spot for research, that's one way to think of this plot of puerto rican forest strung with high voltage lines. >> hi, i'm tana. >> david. >> reporter: dr. tana wood is a research ecologist with the u.s. forest service who studies how tropical forests will respond to climate change. >> how can we get this window into a future warmer world hundreds of years into the future? >> reporter: those black panels are...
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Apr 22, 2024
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here's cbs's david schechter. >> reporter: a hot spot for research. that's one way to think of this plot of puerto rican forest, strung with high voltage lines. >> hi. i'm tana. >> i'm david. >> reporter: dr. tana wood is a research ecologist with the research forest service who studies how tropical forests will respond to climate change. >> how can we get this window into a future warmer world hundreds of years into the future? >> reporter: those black panels are electric heaters running 24/7, warming up this plot of the jungle by 7 degrees fahrenheit. she says worst case scenario that's how much warmer it could be on earth by the end of the century if we keep emitting heat-trapping carbon from our cars, factories and power plants. this experiment was interrupted by hurricane maria in 2017, and ever since the plants in the heated section have struggled to recover. dead leaves, stunted growth. >> this looks totally different. >> we have begun to notice that the forest has become shorter and shorter as time has gone on. and so you can visibly see that
here's cbs's david schechter. >> reporter: a hot spot for research. that's one way to think of this plot of puerto rican forest, strung with high voltage lines. >> hi. i'm tana. >> i'm david. >> reporter: dr. tana wood is a research ecologist with the research forest service who studies how tropical forests will respond to climate change. >> how can we get this window into a future warmer world hundreds of years into the future? >> reporter: those black...
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Apr 20, 2024
04/24
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david schechter shows us how one scientist wants to learn what it could mean for our forests all around the world. > reporte research, that'one way to hink of this plot of puerto an forests strung with high voltage lines. >> hi. i'm tanna. >> reporter: dr. tanna wood is a research ecologist with the u.s. forest servicewho studies how tropical forests will respond to climate change. >> how can we get into this indow into a future warmer world hundreds of years into the future? >> reporter: those black panels are electric heaters nning 24/7 warming up this plot of the jungle by 7 degrees fahrenheit. she says worse case scena that's how much warmer it could be on earth by thend of the century if we keep heat trapping carbon from our cars, factory, and power plants. this experiment was interrupted by hurricane maria in 2017 and ever since the plants in the heated section úd leaves, stunted growth. this looks totalldifferent. >> we have ben to notice that the forest has become shorter nd shorter has time has gone on. so you can visibly see that the forest is experiencing stress under these
david schechter shows us how one scientist wants to learn what it could mean for our forests all around the world. > reporte research, that'one way to hink of this plot of puerto an forests strung with high voltage lines. >> hi. i'm tanna. >> reporter: dr. tanna wood is a research ecologist with the u.s. forest servicewho studies how tropical forests will respond to climate change. >> how can we get into this indow into a future warmer world hundreds of years into the...
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Apr 25, 2024
04/24
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david schechter shows us how california plans to keep up with the massive charging demand. >> if you are in california doing a story about electric cars, you have to rent an electric car, go for a cruise. >> ♪ >> 10 miles per hour on the freeway. not exactly what i had in mind. >> like the speed of traffic in los angeles, the sale of electric vehicles in the u.s. is really moving. last year, americans bought 1.4 million of them. more electric vehicles means fewer greenhouse gas emissions that warm our planet but there is a downside. there are not enough publicly available electric chargers to juice all of those cars up. >> i've got an app . i am going to find is a charger. >> in california, the state with the most evs, finding a charger that is working and available can be a challenge. >> they are all in use. there are no chargers there. >> one way to address the charging gap is better maintenance of the charges we do have. >> the charger that you thought you would use to refuel your vehicle is actually inoperable. >> that is a problem. that is a huge problem. >> walter thorne is w
david schechter shows us how california plans to keep up with the massive charging demand. >> if you are in california doing a story about electric cars, you have to rent an electric car, go for a cruise. >> ♪ >> 10 miles per hour on the freeway. not exactly what i had in mind. >> like the speed of traffic in los angeles, the sale of electric vehicles in the u.s. is really moving. last year, americans bought 1.4 million of them. more electric vehicles means fewer...
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Apr 19, 2024
04/24
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. >> david schechter shows us rare and endangered plants here in the u.s. >> reporter: there are 154 forests in the natural forest system, none larger than in puerto rico. >> places like these are medicinal to the soul, to the heart, and you belong to nature. you have to come to these places to heal yourself. >> reporter: i'm headed into the forest with park ranger victor cuevas and volunteer michelle lopez lorenzo. they're telling me at a time when 1 million species on the planet are threatened with extinction, that protecting wild places is one of our best defenses to save our living treasures like the tapanuko tree. victor says the tree's sap has medicinal qualities. >> take a taste of the most transparent. >> reporter: this is newer sap? >> that's enough. try it. >> reporter: it's like very herbal. >> not any feeling? >> reporter: i'm starting to lose the feeling in my tongue right now. >> that's what it is. >> this is, you know, you have a cavity, if you have a toothache, this was and is one of the many traditional ways to remedy that. >> reporter: it also tastes wonderful. the
. >> david schechter shows us rare and endangered plants here in the u.s. >> reporter: there are 154 forests in the natural forest system, none larger than in puerto rico. >> places like these are medicinal to the soul, to the heart, and you belong to nature. you have to come to these places to heal yourself. >> reporter: i'm headed into the forest with park ranger victor cuevas and volunteer michelle lopez lorenzo. they're telling me at a time when 1 million species on...