Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

According to Peng Bun Ngor, a fish ecologist with the Cambodian Fisheries Administration, the low river flow also forces brood fishes to concentrate in spaces where they become more vulnerable to ...

When you need to know what the river flow levels are for any given river in Montana, there are a few easy places to check. It ...

(Mike Danahey/The Courier-News) Thanks to unseasonably low water levels, islands of silt, rock and sand — and even an abandoned car — have emerged in the Fox River near East and West Dundee ...

BOD is a crucial indicator of a river's health and its capacity to support aquatic life. It should ideally remain under 3 ...

To tackle the snow crisis, we urgently need to embrace science-based policies and foster regional cooperation for transboundary water management and emissions mitigation, ICIMOD Director General Pema ...

Less spring melt means less water flow and that, in turn, means less soak to refill groundwater basins. Snow isn’t the only source of water for the major Himalayan rivers. While every river ...

The B.C. River Forecast Centre says a combination of a low snowpack, early snowmelt and forecasts of warm weather are pointing toward elevated drought hazards in the province. The province's ...