BEIJING, May 3 (Xinhua) -- It is not easy to contact Du Mengran, who usually spends nearly half a year at sea, and part of that time, diving thousands of meters beneath the waves. She hardly looks lik ...

BANGKOK, May 3 (Xinhua) -- In the Nong Khaem Waste Management Center, western Bangkok, Thailand, garbage trucks enter a waste-to-energy plant, where waste is converted into electricity. In the plant, ...