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 ...

Rivers leave measurable height signatures that satellites can track, helping scientists detect erosion and flood risks sooner ...

Wherever you are from, I’m sure you’ve had out-of-towners ask you, “Is this weather normal?” Here in the San Juan Mountains, the answer is always yes. From a blizzard in July to 70 degrees in January ...