Dr Carleton Ray

Why Human Activity Can Make Discerning the Impacts of Climate Change So Difficult

A simplified version of the scientific method goes like this: ask a question, make a hypothesis, test the hypothesis in a controlled experiment, analyze results, draw conclusions. But as a team of scientists showed in a recent study of a New England forest, that approach won’t always yield perfect results—particularly in the natural world—if we [...]

The Gulf of Mexico Dead Zone Isn’t Quite Record Size—But It’s Still Huge

Hypoxia sounds like a treatment that pop stars would use to keep from aging, but it’s actually one of the most serious—if underreported and invisible—environmental threats in the world. Hypoxia occurs when coastal waters become overloaded with nutrients like nitrogen and phosphorus—often from sewage or fertilizer running off the land. All those tasty nutrients encourage [...]

Scientists Predict Record Gulf of Mexico “Dead Zone” Due to Mississippi Flooding

The effects of this spring’s extreme flooding of the Mississippi River have been – pardon the pun – spilling over into every possible corner of the area’s residential, commercial, and agricultural life over the last two months. And it looks like the environment hasn’t escaped either: researchers from the University of Michigan predict that the [...]