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Articles on Erosion

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Salvatore Allegra / AP

How plate tectonics, mountains and deep-sea sediments have maintained Earth’s ‘Goldilocks’ climate

New modelling shows how tectonic plate movements, carbon-rich deep-sea sediment, and mountain weathering have regulated Earth’s climate.
Portugal has seen little rain since October 2021. By the end of January, 45 per cent of the country was enduring ‘severe’ or ‘extreme’ drought conditions. (AP Photo/Sergio Azenha)

The window of opportunity to address increasing drought and expanding drylands is vanishing

If the world overshoots its climate targets, drought could cause dryland areas to expand by a quarter and encompass half the Earth’s land area, threatening lives and livelihoods.
The road leading to the Etosha National Park East Gate at Fort Namutoni, Etosha National Park, Namibia. Getty Images/ Alexander Hafemann

Africa’s growing road network may affect ecosystems: we reviewed the evidence

The presence of roads, even inside protected areas, may pose a significant threat to species.
Coastal areas in West Africa are under intense pressure from demographic growth, economic expansion and ongoing climate change. IRD

Interdisciplinary approaches to coastal vulnerability: the pathway to coastal sustainability

Around the world, fragile coastal ecosystems are under intense pressure, and understanding and managing their complex interactions requires an integrated and interdisciplinary approach.
Corn stover (stalks, leaves and cobs) left behind after harvesting becomes a mulch and cover crop for soybeans on a Tennessee farm. Lance Cheung, USDA

It’s time to rethink the disrupted US food system from the ground up

There’s growing interest in making the US food system more resilient and flexible, but soil – the origin of nearly everything we eat – is often left out of the picture.
This started as a mountain range. Bas Meelker/Shutterstock.com

Where does beach sand come from?

Sand may seem abundant when your toes are buried in it, but it’s becoming scarce along many coastlines around the world.
Surf threatens beach houses on Dauphin Island, Alabama, September 4, 2011 during Tropical Storm Lee. AP Photo/Dave Martin

Why are Atlantic and Gulf coast property owners building back bigger after hurricanes?

‘Building back better’ refers to making communities more disaster-proof and resilient after they take a hit. But instead, some US owners are building back bigger homes in vulnerable places.

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