Satellite photos show Chinese island-builders are at it again. Continue reading →
Nobody walks in Los Angeles, and that means lots of cars, lots of exhaust, and a big smoggy sky. Where does L.A. rank among the globe's smog centers?
A massive explosion at a warehouse in the northern Chinese port city of Tianjin killed seven people and sent a fireball ripping through the sky. Continue reading →
The U.S., Brazil and China all released major commitments to reduce or at least slow their greenhouse gas emissions. Continue reading →
Around 30 percent of China's Ming-era Great Wall has disappeared over time as adverse natural conditions and reckless human activities.
Reefs and marine life stand being destroyed by China's effort to build islands to boost their political power.
Right now, there are 28 mega-cities in the world, with about 450 million inhabitants among them. So, which world cities make the cut?
A recent documentary, "Under the Dome," depicts Chinese residents coping with worsening air quality. Just how bad is pollution in China?
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