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Studies show that the richest 10 percent now control about half of the country 's financial and real estate assets . For instance , the tower at Niwot Ridge near Boulder , Colo ., showed that forests took up about half of the amount of carbon last year , which was the driest year in the recent past , than they did three years ago , when precipitation levels were closer to normal . Then , in 96 , AT & T came in to compete , and prices dropped to about half within the space of 3 months . In addition , offices serving about half of the caseload required that employers complete a form to verify income . Approximately 30 cases of human exposure to IFNs during pregnancy have been reported , about half in the first trimester , without clear adverse effects ( 57,58,59 ) . Moreover , Maine has many small " Mom and Pop " energy vendors , whereas Connecticut relies more on larger , commercial vendors that provide about half of the fuel oil and kerosene for energy to low income households . At follow-up , third-grade children whose schools were randomly selected for the program had significantly higher scores on a standardized reading test than children in the control schools , and office referrals for classroom misbehavior decreased by about half in the Experience Corps schools but remained the same in the control schools . Unemployment has spiralled and about half of the Palestinian population is now living under the poverty line.The restrictions on movements in the Occupied Territories are making it increasingly difficult for Palestinian , Israeli and international human rights and humanitarian NGOs to operate and to carry out their work of documenting and acting against human rights violations and bringing relief to the victims .