cdanews: A coral reef stretching some 600 miles was discovered at the mouth of the Amazon River underneath its muddy waters. This was something new to add to its reputation of being one of the most biodiverse river systems in the world. The newly discovered coral reef is already being threatened by oil companies who have set up 20 drilling operations in the region. The discovery of the reef, in a place where gunk in the Amazonian plume often shelters it from the sun, was written about in a study published...