Tanzania is losing fertile land to soil erosion: what’s happening and what can be done

By Maarten Wynants, Marie Curie Global Postdoctoral Fellow, Ghent University

Across large parts of northern Tanzania, gully erosion – soil erosion caused by flowing water – is cutting deep scars through fertile farmland, grazing areas, roads and even villages. These gullies grow faster every year and what was once a slow environmental process has accelerated into a humanitarian threat. It has serious consequences for food and livelihood security, infrastructure and biodiversity.

Soil erosion is a natural process. Rainfall breaks soil into particles, and flowing water transports…

Read complete article

~	Social media is boosting mental health disorders and suicidal thoughts among teens, particularly in girls

~	The circular economy may not be taking off: Here are six ways stakeholders can make it happen

~	Scientists have identified unique sounds for 8 fish species

~	There are long-lasting, negative effects for children like Liam Ramos who are detained, or watch their parents be deported

~	PFAS are turning up in the Great Lakes, putting fish and water supplies at risk – here’s how they get there

~	The end of ‘Pax Americana’ and start of a ‘post-American’ era doesn’t necessarily mean the world will be less safe

~	Trump’s framing of Nigeria insurgency as a war on Christians risks undermining interfaith peacebuilding

~	Russia’s drone pipeline: How Iran helps Moscow produce an ever-evolving unmanned fleet

~	Innovations in asthma care can improve the health of Detroiters living with this chronic disease

~	Should medical marijuana be less stringently regulated? A drug policy expert explains what’s at stake