Concerns have been raised in Canada after growing numbers of giant goldfish have been found in Albertan waterways.
England’s first new-born wild baby beavers in four centuries have been spotted swimming in Devon’s River Otter.
Researchers say we're in the midst of the largest extinction age since the dinosaurs.
Large-scale earthquakes caused by fracking are becoming more commonplace within the central US.
Microbeads ban push in New York.