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WASHINGTON, Nov. 14 (Xinhua) -- A novel study in twins found that exposure to trichloroethylene (TCE) -- a hazardous organic contaminant found in soil, groundwater, and air -- is significantly associated with increased risk of Parkinson's disease (PD). Possibility of developing this neurodegenerative disease is also linked to perchloroethylene (PERC) and carbon tetrachloride (CCI4) exposure, according to the study appearing in Annals of Neurology on Monday.The National Institute of Neurological Disorders and Stroke estimates that as many as 500,000 Americans have PD and more than 50,000 new cases are diagnosed annually. While there is much debate regarding cause of PD, studies suggest that genetic and environmental factors likely trigger the disease. Several studies have reported that exposure to solvents may increase risk of PD, but research assessing specific agents is limited.The current epidemiological study, led by Samuel Goldman and Caroline Tanner with The Parkinson's Institute in Sunnyvale, California, investigated exposure to TCE, PERC and CCI4 and risk of developing PD. The team interviewed 99 twin pairs in which one twin had PD and one didn't, inquiring about lifetime occupations and hobbies. Lifetime exposures to six specific solvents previously linked to PD in medical literature -- n-hexane, xylene, toluene, CCI4, TCE and PERC -- were inferred for each job or hobby.The findings are the first to report a significant association between TCE exposure and PD -- a more than six-fold increased risk. Researchers also found that exposure to PERC and CCI4 tended toward significant risk of developing the disease. "Our study confirms that common environmental contaminants may increase the risk of developing PD, which has considerable public health implications," commented Goldman in a statement.TCE, PERC and CCI4 have been used extensively worldwide, with TCE noted as a common agent in dry-cleaning solutions, adhesives, paints, and carpet cleaners. Despite the U.S. Food and Drug Administration (FDA) banning the use of TCE as a general anesthetic, skin disinfectant, and coffee decaffeinating agent in 1977, it is still widely used today as a degreasing agent. In the U.S., millions of pounds of TCE are still released into the environment each year and it is the most common organic contaminant found in ground water, detected in up to 30 percent of drinking water supplies in the country.In a release issued on Sept. 28, 2011, the Environmental Protection Agency announced that TCE is carcinogenic to humans.

ting fuel and benefits to agriculture from extended growing seasons."Global mitigation leading to a low climate change future reduces costs to Canada in the long term. This reinforces the argument that Canada would benefit environmentally and economically from a post 2012 international climate arrangement that systematically reduced emissions from all emitters - including Canada - over time," the report says.It recommends cooperation between governments, scientists and businesses to find ways to mitigate climate change and adapt to it.Canada's Minister of the Environment Peter Kent said the government has a plan to deal with global warming issues, which will be announced next month."Our government has a plan, a very good plan, to meet our target of reducing greenhouse gases by 17 percent from 2005 base levels, by 2020," Kent told Canada's House of Commons Thursday afternoon."We are moving forward to reduce greenhouse gases and, at the same time, we are investing in programs to help Canadians adapt to climate change," Kent said."Today's report merely echoes what our government has long recognized; that is, the importance of adaptation to climate change," he added.Earlier this week, several hundred people protested the government's policy of exploiting the oil sands deposits in western Canada.Environmentalists have criticized the Canadian government for not working hard enough to reduce CO2 emissions. Last year, a coalition of global warming activists gave Canada the "Fossil of the Year" award for failing to implement the Copenhagen Accord.

BEIJING, Nov. 28 (Xinhuanet) -- Many parts of the United States are planning to offer free HIV tests for people on Dec. 1 in honor of World AIDS Day, according to media report Monday.Officials in Washington will provide free HIV tests at area-based food stamp offices, Medicaid offices, and government assistance offices.U.S. WMCA Health Services is to offer free Rapid HIV testing to all from 8 a.m. to 4 p.m. on Dec. 1, 2011 at their office at 179 Lisbon Street, Lewiston, Maine. People getting an HIV test can get their results in 20 minutes from the confidential testing. Free chlamydia and gonorrhea testing will also be offered for all woman age 26 and under and all men.They can either call the clinic to make an appointment or walk to the office directly for free testing. They also have chances to get food, giveaways and gift cards if they get there early.More than 40 vendors are expected to take part in the second annual World AIDS Day hosted by the Lake County Health Department on Dec. 1. The free event will begin from noon and be over at 4 p.m. at Donnelly Park, 530 N. Donnelly St. in Mount Dora, Florida. World AIDS Day is a global campaign to end AIDS and help bring awareness of the disease worldwide.

BEIJING, Oct. 26 (Xinhua) -- The central government allocated 935 million yuan (147 million U.S. dollars) Wednesday to areas hit by rain-triggered floods, the Ministry of Civil Affairs (MCA) said.The relief funds, jointly allocated by the MCA and the Ministry of Finance, will be used for disaster survivors to relocate, rebuild houses and buy daily necessities.The funds will also be delivered to the family members of the victims, according to the ministry.The funds will go to the flood-hit provinces of Shanxi, Henan, Hubei, Sichuan, Shanxi and Guangxi Zhuang Autonomous Region.The government already allocated 132 million yuan (20.6 million U.S. dollars) to disaster hit areas immediately after the floods happened in September.Rain-triggered floods and disasters left 97 people dead, 21 missing and 1.23 million affected in September in China's 11 provincial-level regions, and a total of 1.93 million people were relocated urgently to avoid further casualties.The disasters also caused an estimated 21 billion yuan (3.29 billion U.S. dollars) in direct economic losses, according to official data.

BEIJING, Dec. 14 (Xinhua) -- The People's Bank of China, the country's central bank, said Wednesday that China will continue its prudent monetary policy next year while making the policy more targeted, flexible and forward-looking.The announcement came after the conclusion of the annual central economic work conference Wednesday morning, which has set economic policy guidelines for the coming year.The central bank will maintain control over the intensity, pace and focus of macroeconomic regulation, make full use of monetary tools, tune up credit supply and promote reasonable growth in social financing, according to a statement posted on its website.The bank will improve credit structure, increase support to key sectors and weak areas, especially to agriculture, small and medium-sized enterprises and affordable housing construction, as well as better serve the real economy.It will continue to perfect its yuan exchange rate formation mechanism, and keep the yuan exchange rates basically stable at a reasonable and balanced level.Meanwhile, the bank will strengthen and improve its foreign exchange management, deepen financial system reforms, prevent and solve financial risks, the statement said.