To mark the international day of action for rivers on Wednesday, a look is taken at some of the world’s most contentious dam projects, from the Three Gorges in China to Brazil’s Belo Monte dam.
Read MoreAbout 3.7 million Americans live within a few feet of high tide and risk being hit by more frequent coastal flooding in coming decades because of the sea level rise caused by global warming, according to new research.
Read MoreUnited Nations experts will be presented with a petition that has more than 100,000 signatures on it, calling for an end to dredging and development near the Great Barrier Reef off Queensland.
Read MoreA 6.1 earthquake, which caused substantial shaking in Ibaraki and Chiba prefectures east of Tokyo, followed just a few hours after a magnitude 6.8 quake jolted northern Japan. A tsunami warning was issued but later lifted after that earthquake.
Read More