Study: Sand nourishment linked to fewer marine life

UC San Diego biologists who examined the biological impact of replenishing eroded beaches with offshore sand found that such beach replenishment efforts could have long-term negative impacts on coastal ecosystems.

Great Barrier Reef coral bleaching hits “extreme level”

Coral bleaching, a phenomenon that can result in the widespread die-off of coral life, is a serious problem facing the world’s oceans, and according to a new aerial survey of Australia’s Great Barrier Reef, 95 percent of the reef’s northern section is now bleached, Australian Broadcasting Corporation reports.