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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 conditions. >> reporter: when trees and plants die and decay, they release carbon. fortunately, healthy trees and soil absorb more carbon than what's being released. but wood is finding their ability to keep doing that might be in jeopardy. her team is making hundreds of measurements of the forest, recording the growth of plants, looking underground at the health of the root system, and this device records how much carbon the soil is releasing. >> so after one year of warming, we saw a major increase in the amount of carbon dioxide that was coming out of these soils. >> reporter: her experiment is showing us rising temperatures cause forests to release more carbon. more carbon in the atmosphere causes the planet to get warmer. and the cycle continues.
something about climate change right now. one scientist is going to great lengths to do her part. 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.
numbed about it. over the next few months, we're going to be reminded who this guy is. i think what this ad does, it highlights something that i think is extraordinary. run through the mental experiment of imagining what job in american society would donald trump be qualified for, other than the presidency. we have saved our lowest standard. you wouldn't hire him at the mall. you wouldn't hire him to babysit your kids. you would not hire him to be the ceo of a publicly traded company. you cannot imagine -- >> never. >> -- any institution of, you know, any school or institution of higher education hiring him. i can't imagine any corporation putting him on their board of directors. >> never. >> he wouldn't be qualified for any position in the u.s. military. you know, go through all of this. it's an interesting point. if you wouldn't do business with him, if you wouldn't hire him, if you wouldn't associate with him, why would you give him the nuclear codes? why would you make him the commander in chief and put him
but that's also where its experiment with tidal energy comes in. it's predictable. we know exactly when it's there, 100 years ahead. if we install tidal turbines in different spots, we will have a baseload generation from tides, and that is extremely valuable. it can really dramatically change the energy mix in the islands. maybe 30 to 40% of the annual usage in the islands could be provided by tides. now, this dragon has begun to fly, and it's sending energy to the grid. it'sjust one machine, but potentially a big leap forward for harnessing energy from our seas. adrian. now time for a look at this week's tech news. tesla will allow 10% of its global workforce. the cuts are the latest round yet to affect the
democrats, who dissented. and although there is clearly strong bipartisan support still from both sides of the aisle for israel, the us still clearly how as israel's back, there will perhaps under the surface be a little bit of concern in israel that perhaps in times gone by in years past, this bill would have passed even more overwhelmingly with bipartisan support. and i suppose it would be an interesting thought experiment to see how this vote would have gone if iran had not launched this unprecedented attack of more than 300 drones and missiles towards israel, just a week ago, because perhaps that concentrated some of the minds of those who are wavering between supporting this package for israel and those thinking about passive voting against it. another experiment would be interesting to see how this vote would have gone on if not for the hamas terrorist attacks of october the seventh, and israel subsequent war against hamas in the gaza strip, which the hamas-run health ministry
kites around the faroe islands, installed in groups similar to wind farms. so this machine here, that's the first utility, or the array device. there will be many of these in parks, orarrays, as you call them, uh, around the world. the faroes aren't connected to any other country's power grid, so it has to be self—sufficient. and in the past, it relied heavily on oil imports. now, though, it's going fully green, and this battery station helps to regulate electricity supply. we have the biggest battery, i think, in the danish kingdom. we don't have any subsea cables to neighbouring countries. so we need to maintain the stability of the power system at all points in time on a millisecond level. much of the country's power will come from wind, hydro and solar, but that's also where its experiment with tidal energy comes in. it's predictable. we know exactly when it's there, 100 years ahead. if we install tidal turbines
realize it. they don't know what we've been through. and i don't hate americans. i dislike this experiment, this failing experiment because one of your most important documents talks about how all men are created equal. the declaration of independence. when you get down to the bottom it says the merciless savage indians. 's that that's what they referred to us as. >> jesse: you say that your declaration, your constitution, you are an american indian but you don't seem to believe you are an actual american. >> i am an issue now bay. my that is where my allegiance lies. i do not stand for the pledge of
president biden. all in starts now. good evening from new york. i am chris hayes. next week this big experiment is set to begin, one we've never seen before in all of american history. ever since the sixth amendment was ratified in 1791, every american accused of crime in this country has been guaranteed the right to a trial by jury, but for over 200 years, no jury filled with average american citizens has ever sat in judgment of the man who held the oval office. that full jury for this experiment has now been selected for the first criminal trial of a former president. the seven men, five men and -- five women who make up the journey will decide if donald
the stability of the power system at all points in time on a millisecond level. much of the country's power will come from wind, hydro and solar, but that's also where its experiment with tidal energy comes in. it's predictable. we know exactly when it's there, 100 years ahead. if we install tidal turbines in different spots, we will have a baseload generation from tides, and that is extremely valuable. if we can unlock the potential, it can really dramatically change the energy mix in the islands. maybe 30 to 40% of the annual usage in the islands could be provided by tides. now this dragon has begun to fly, and it's sending energy to the grid. it's just one machine, but potentially a big leap forward for harnessing energy from our seas. this is the richard cloudesley school in london...
>> and america doesn't evene've realize that they don't know what we've been through. and i don't hate americans.ik i dislike this this experiment ,this failing experiment, because one of our most important documents, inet talksq about how all men are created equal, a declarationua of independence. and then when you get down the to the bottom, it said theth merciless savage indians. that'sess what they referred ts as, the merciless savage indians. >> you say that youron declaration, your constitution ,you're an american indian, but you don't seem to believ ae you're an actual american. >> i'm honest. should not be. and my allegiance is, to be honest, should not be a nation . and to the other first nation, people of this country, that's