With high oil prices, North Koreans have again turned to the cheap but dirty fuel to power trucks.
Overseas activists step up calls on the incoming U.S. president to get tougher with China over rights violations.
Chinese police questioned and detained family members following the protest, local sources say.
The authorities seal off the main square in the provincial capital, Chengdu, and issue warnings over possible protest activities.
Anyone wanting to study Tibetan Buddhism there must first pass a political examination, and must be a monk or nun.
They fear the last Irrawaddy dolphins could die off as they move into Laotian waters to escape environmental havoc caused by the building of the Don Sahong Dam.
While a commune chief is released and more critics could get out of jail, Hun Sen says he still holds the cards.
Environment and Natural Resources Minister Tran Hong Ha promises tougher pollution regulations and more compensation.
Malaysian Employers Federation supports offer following Myanmar’s decision to stop sending workers to Malaysia.
Mist cannons are often used to tamper with pollution monitoring equipment, as local officials try to meet environmental clean-up targets.