More than 300 miles north of the Arctic Circle, Alaska’s North Slope is ground zero for global climate change. NewsHour producer April Brown reports the melting ice has opened up opportunity for shipping and other development – industry that could…

ITV News has obtained footage proving - for the first time - that fishermen in South America are illegally hunting dolphins. Environmentalists believe thousands of the animals are slaughtered every year, with their meat being used as bait for sharks.