Maldives to battle rising seas by building fortress islands – PHYS.ORG

Satellite image of Hulhumalé from 1997 and 2023 (Courtesy of the Housing Development Corporation of Maldives via UNDP-Maldives).

Rising sea levels threaten to swamp the Maldives and the Indian Ocean archipelago is already out of drinking water, but the new president says he has scrapped plans to relocate citizens. Instead, President Mohamed Muizzu promises the low-lying nation will beat back the waves through ambitious land reclamation and building islands higher—policies, however, that environmental and rights groups warn could even exacerbate flooding risks…

Beach erosion: Satellites reveal how climate cycles impact coastlines – UNSW Sydney

Collaroy Beach (by Mark D CC BY-SA 2.0 via Flickr).

New research shows coastlines across the Pacific Ocean may respond differently to El Niño and La Niña cycles.

Researchers from UNSW Sydney have analyzed millions of satellite photos to observe changes in beaches across the Pacific Ocean. The findings, published in Nature Geoscience today (Feb. 10), reveal for the first time how coastlines respond to different phases of the El-Niño-Southern Oscillation (ENSO) cycle…

Surfers, miners fight over South Africa’s white beaches – PHYS.ORG

Satellite view of the Olifants River Estuary, South Africa (image via Google Earth: Maxar Technologies AfriCIS(Pty) Ltd CNES / Airbus Data SIO, NOAA; U.S. Navy, NGA, GEBCO Terrametrics).

Diamonds, zircon and other minerals have long been extracted in the sandy coastline near the Olifants river, which flows into the Atlantic about 300 kilometres (180 miles) north of Cape Town.

But plans to expand the mining have angered surfers, animal lovers and residents in this remote, sparsely populated region—and they are pushing back with lawsuits and petitions.