• Artist rendering of Pioneer Square during Klondike Gold Rush

    Klondike Gold Rush - Seattle Unit

    National Historical Park Washington

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  • Traffic and Parking Concerns

    Due to the track construction, for the new First Hill Streetcar, both traffic flow and parking are being affected along South Jackson St. The park will be open, its normal business hours, during this period. More »

Environmental Factors

Environmental factors influence many of the things around us that we often take for granted including the weather, the climate, the air we breathe, the water we drink, and the areas where we play, work, and live.

Which factors can we influence and if so what may be the consequences of those changes? On the following pages we look at several topics and how they affect all those who either live or visit the Northwest.

 

Weather and Climate of the Northwest

Seismic activity along the Cascadia Fault

Mining products and impacts of the Klondike

Impacts of 200,000 feet

Did You Know?

Did You Know gold is twice as dense as lead

Gold is twice as dense as lead.