Environment
Climate change is helping invasive species take root in Washington
Non-native plants are crowding out native ones in the Pacific Northwest and posing new challenges for the organizations that manage them.
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Environment
Nick on the Rocks: The secret summit of Washington’s Mount Index
The mountain’s namesake granite was used to build Seattle’s iconic Smith Tower and is coveted by climbers. But its peak is made of a much older rock.
Environment
Invasive hornet first found in Washington eradicated from U.S.
Five years after first being spotted near Blaine, the northern giant hornet has been eradicated from Washington and the U.
Environment
How damming the Columbia River transformed Central Washington
The river's dams drive electricity, flood control and commercial ships, and also helped turn the desert east of the Cascades into fruitful land.
Environment
Nick on the Rocks: How were the Potholes Coulee canyons created?
North of Washington’s Gorge Amphitheatre are two massive lake-filled canyons, and geologists have chased clues about their origins for centuries.