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sea-level rise
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- 1Rising seas redraw coastlines and threaten coastal cities●Climate change is redrawing coastlines and rising sea levels threaten coastal cities.
Climate change is redrawing the world's coastlines, with rising sea levels posing a growing threat to cities built along the shore. Low-lying urban areas face increasing flood risk, land loss and pressure on infrastructure as oceans creep inland. The warning is drawing wide attention as communities and governments weigh how to adapt or retreat from vulnerable coastlines.
- 2Concern grows over Kelvin wave heading for California▼Concern mounts over slow-moving, planetary-scale ‘Kelvin’ wave heading for California
Scientists and news outlets are raising alarms about a slow-moving, planetary-scale ocean phenomenon known as a Kelvin wave heading toward the California coast. Warm water trapped along the coastline by El Niño could raise local sea levels by as much as a foot, increasing coastal flooding and erosion risks. Observers are watching closely to see how the wave interacts with the ongoing El Niño pattern.
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Discussion is turning to what it means for global warming to exceed the Paris Agreement's 1.5°C threshold. Commentators are explaining that breaching the limit does not mean climate action is pointless, but signals that average temperatures have risen beyond the target, with worsening heatwaves, sea-level rise and ecosystem stress. The debate centres on how overshoot could be temporary and whether warming can be brought back down.
- 4Savannah Morning News introduces climate reporter Stephanie Castellano●Meet Stephanie Castellano, Savannah's new climate change reporter
The Savannah Morning News has introduced Stephanie Castellano as its new climate change reporter. The announcement signals the outlet's commitment to covering environmental issues affecting coastal Georgia, a region vulnerable to sea-level rise, hurricanes, and flooding. Readers are being invited to follow her upcoming coverage of local climate impacts and policy.
- 5Rising seas to open new front for biological invasions●Global sea-level rise will create a new biological invasion front
Researchers warn that global sea-level rise will create a new biological invasion front, as advancing saltwater allows marine and brackish species to penetrate inland ecosystems previously beyond their reach. The finding, published in Nature, suggests coastlines worldwide face not only flooding but a wave of invasive species displacing native plants and animals. Scientists urge planners to factor invasion risk into coastal adaptation strategies.