Commentary: Science fiction prescriptions for dying coral reefs

The Great Barrier Reef is bleached and dying. Because oceans are heating so quickly, nearly all of the world's corals are projected to be dead by 2050.

Now, however, a handful of entrepreneurial scientists, many of whom have spent their careers studying the reefs that are dying before their eyes, are devising extreme measures to try to save them.

Many of the solutions seem as if they're ripped from some dystopian, science fiction novel. There are teams trying to brighten clouds so they reflect more