Climate change is closely linked to economic progress and G20 leaders need to address this important issue during the Brisbane summit, said a leading United Nations environmentalist.
For Nick Ward, a snow-boarding enthusiast from the United States who lives in Beijing, the only issue holding back his skiing passion in the Chinese capital is the heavy haze that sometimes shrouds North China.
An American graduate from Princeton started an online shop on taobao.com to sell homemade air filter kits, making, beyond his expectation, as much as 500,000 yuan ($81,784) per day during some of the most polluted days in Beijing.
Professor Yu Daoping knows the ins and outs of the Yangtze river dolphin, having dissected more than 200 corpses of the finless porpoise over the last 20 years.
Xiao Zhijin's routine has been unchanged for decades. At 8 am he treks several kilometers to a river valley, bringing breakfast to his friends of 26 years.
A 44-year-old Chinese street cleaner who's spent 14 years picking up trash from the cliff at the Golden Summit of Mount Emei, Sichuan province, was recently nominated as one of the "Good People of Sichuan" because of his devotion to the job.