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空气污染

随着中国北部地区频繁出现雾霾天气,这一现象引发了社会对大气污染的关注。

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Smog in Peking
Pedestrians wearing masks walk on a road in heavy smog in Harbin city, northeast Chinas Heilongjiang province, 23 November 2013. Municipalities and provinces of east and north China started seeing a new round of smog on Friday after days with no wind. The National Meteorological Center issued a yellow warning on haze at 2pm on Friday (22 November 2013), forecasting medium or serious haze in Beijing, Tianjin, and the provinces of Hebei, Shanxi, Shaanxi, Henan, Shandong, Anhui, Jiangsu and Zhejiang. In east Chinas Zhejiang province, smog lingering from late Thursday left the air quality in the cities of Hangzhou, Huzhou, Jiaxing and Shaoxing at seriously polluted levels, according to the website of provincial environment protection department. According to the provincial weather station, the smog will not disperse until late Saturday, when a cold front with rain is expected to hit the province.
People ride along a street on a smoggy day in Daqing, Heilongjiang province, October 21, 2013. The highest red alert was issued for heavy smog in several cities in Heilongjiang province on Monday, according to Xinhua News Agency. The second day of heavy smog with a PM 2.5 index has forced the closure of schools and highways, exceeding 500 micrograms per cubic meter on Monday morning in downtown Harbin, the provincial capital. REUTERS/Stringer (CHINA - Tags: ENVIRONMENT SOCIETY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA
People ride along a street on a smoggy day in Daqing, Heilongjiang province, October 21, 2013. The highest red alert was issued for heavy smog in several cities in Heilongjiang province on Monday, according to Xinhua News Agency. The second day of heavy smog with a PM 2.5 index has forced the closure of schools and highways, exceeding 500 micrograms per cubic meter on Monday morning in downtown Harbin, the provincial capital. REUTERS/Stringer (CHINA - Tags: ENVIRONMENT SOCIETY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA
Bildnummer: 60546380 Datum: 30.09.2013 Copyright: imago/Xinhua (130930) -- NANJING, Sept. 30, 2013 (Xinhua) -- Passengers cram the lobby of the Nanjing Railway Station in Nanjing, east China s Jiangsu Province, Sept. 30, 2013. China s railway is expected to carry more than 10 million on the peak day during the coming National Day Holiday, according to the China Railway Corporation. The seven-day National Day Holiday, also called Golden Week, starts on Oct. 1. (Xinhua/Sun Can) (hdt) CHINA-NANJING-HOLIDAY-RAILWAY-TRAVEL PEAK (CN) PUBLICATIONxNOTxINxCHN Gesellschaft Verkehr xsp x0x 2013 quer 60546380 Date 30 09 2013 Copyright Imago XINHUA Nanjing Sept 30 2013 XINHUA Passengers CRAM The Lobby of The Nanjing Railway Station in Nanjing East China S Jiangsu Province Sept 30 2013 China S Railway IS expected to Carry More than 10 Million ON The Peak Day during The Coming National Day Holiday According to The China Railway Corporation The Seven Day National Day Holiday Thus called Golden Week Offs ON OCT 1 XINHUA Sun CAN HDT China Nanjing Holiday Railway Travel Peak CN PUBLICATIONxNOTxINxCHN Society Traffic xsp x0x 2013 horizontal
An aerial view shows Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant and its contaminated water storage tanks (bottom) in Fukushima, in this August 20, 2013 file photo taken by Kyodo. Radiation near a tank holding highly contaminated water at Japan's crippled Fukushima nuclear plant has spiked 18-fold, the plant's operator said on September 1, 2013, highlighting the struggle to bring the crisis under control after more than two years. To match Story JAPAN-FUKUSHIMA/ Mandatory Credit. REUTERS/Kyodo/Files (JAPAN - Tags: DISASTER ENVIRONMENT POLITICS ENERGY BUSINESS) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. MANDATORY CREDIT. JAPAN OUT. NO COMMERCIAL OR EDITORIAL SALES IN JAPAN. YES
A man cycles past cooling towers of the coal powered Fuxin Electricity Plant in Fuxin, in China's northeast Liaoning province Thursday Feb. 17, 2005. Demand for power in China is soaring as the economy booms, leading to increased demand for coal production. The increased demand may cause safety standards to be overlooked, contributing to a spate of recent coal mine accidents that have left thousands dead. (AP Photo/Greg Baker)***Zu Gui, Nach dem Schneechaos: Engpass der Energieversorgung in China***
China Shanghai China Investitionen Symbolbild FotoliaBild china; chinese; map; outline; nation; blackboard; chalk; atlas; cartography; geography; school; class; classroom; contour; country; black; green; chalky; chalkboard; education; educate; font; lesson; teaching; text; white; word; writing; written; illustration; graphic; land; science; shape; national; boundary; tourist; tourism; touristic
Journalists take pictures of Fonterra Chief Executive Theo Spierings (R) during a news conference in Beijing August 5, 2013. New Zealand's Fonterra said on Monday that milk products from two companies that use its raw materials are safe because any bacteria would be killed during processing, and reiterated that food safety was its priority. REUTERS/Kim Kyung-Hoon (CHINA - Tags: FOOD POLITICS BUSINESS)
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