Critically endangered hammerhead sharks use Biscayne Bay as a nursery, but scientists are now afraid of losing the nursery to climate change after a 20-year study shows the bay turning saltier, warmer and more acidic.
A 20-year record reveals an estuary tipping toward a saltier, more acidic state. These conditions threaten its hammerhead shark nursery and the aquifer that supplies Miami’s drinking water.
