One of the most damaging invasive species in the oceans has breached a major barrier – the Amazon-Orinoco river plume – and is spreading along Brazil’s coast. Scientists are trying to catch up.
Mangroves and salt marshes pump out methane – but soak up carbon dioxide. Overall, the world’s coasts are a net greenhouse sink – and we must preserve them
Seabirds forage on an oyster shell island on the Texas Gulf Coast.
Jon G. Fuller/VW Pics/ Universal Images Group via Getty Images
Climate change is making oceans more acidic globally. Now, scientists are finding that large storms can send pulses of acidic water into bays and estuaries, further stressing fish and shellfish.
The estuarine pipefish is not easy to find - it camouflages itself amid seagrass.
Louw Claassens
Puerto Rico’s tourism industry is booming as nations lift COVID-19 travel restrictions, but development is displacing people who have lived along its coastlines for years.
Mntafufu Estuary in the northern part of the Eastern Cape, South Africa.
Anusha Rajkaran
Australians tend to be fairly relaxed about the tsunami risk. But warnings from authorities to stay away from foreshore areas should not be ignored.
Shorebirds gather by the thousands at important feeding and resting areas, but how individual birds move among sites remains a mystery.
Julian Garcia-Walther
Hans Paerl, University of North Carolina at Chapel Hill
As climate change speeds up tropical storm cycles, rivers and bays have less time to process nutrients and pollutants that wash into them after each event.