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hydrography

Riffle-and-Pool: Carving a new home for fish habitat in Anaconda's Fifer Gulch Creek

Riffle-and-Pool: Carving a new home for fish habitat in Anaconda's Fifer Gulch Creek

ANACONDA — Alex Leone stood at the edge of an engineered meander and imagined an eager youngster standing there someday making memories with a fishing rod. Leone is president of the George Grant Chapter of Trout Unlimited. The storied chapter is shepherding an ambitious project to transform the ditched and channelized

Arctic sea ice at lowest level ever this winter

Arctic sea ice at lowest level ever this winter

Arctic sea ice reached its lowest level ever recorded, statistically tying last year's record, a leading US climate observatory for this geopolitically significant region said on Thursday. The ice is formed by seawater that freezes through the winter. It partially melts through the summer. However, the amount of

Outlook worsens for whale stranded on German coast

Outlook worsens for whale stranded on German coast

The health of a humpback whale stranded on Germany's Baltic Sea coast is deteriorating, conservationists said Tuesday, as efforts to free the animal continued. The 10-metre (33-foot) long whale was first spotted stuck in shallow water close to Niendorf near the city of Luebeck early on

Planet trapped record heat in 2025: UN

Planet trapped record heat in 2025: UN

The amount of heat trapped by the Earth reached record levels in 2025, with the consequences of such warming feared to last for thousands of years, the UN warned Monday. The 11 hottest years ever recorded were all between 2015 and 2025, the United Nations' WMO weather and climate

Montana agencies mark World Water Day with water resource information

MONTANA — Agencies across Montana are providing information about the state's water resources on World Water Day. According to the Montana Department of Transportation (MDT), the state's streams, lakes and wetlands contribute to the economy, public health and ecosystems. When it rains, water runs off directly into

Conservationists sue the FS to stop Cooke City deforestation project on the border of Yellowstone National Park | Mike Garrity (copy)

The Cooke City area of Montana has one of the healthiest whitebark pine forests in the region. Yet now, the Forest Service wants to apply an unscientific method of logging across more than 2,000 acres of these whitebark pine forests on the northeastern border of Yellowstone National Park. Whitebark

Global observance raises alarm over melting ice

Glaciers are losing ice faster than ever recorded, threatening water supplies for more than 2 billion people who depend on the melt for drinking water. World Day for Glaciers on March 21 brings the issue into focus, but the crisis already affects water systems, flood risks and coastal planning. What