Idaho - Maps & Graphics

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CO2 Emissions from Fossil Fuels by Sector

In the Northwest states, 53 percent of our CO2 emissions from fossil fuels stem from transportation uses including commute traffic, freight, and planes. This chart series shows emissions for the Northwest states, the US West, Idaho, Oregon, and Washington.

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Idaho Median Income and the Dow Jones

Two decades of so-called progress: the Dow soared but Idaho's middle-class incomes barely budged.

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Seven Northwest Cities: The Smart-Growth Ranking

Among all Cascadian cities, Vancouver leads the way in smart growth.

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Caribou: Current and Historic Range Map

The Selkirk herd in northern Idaho and Washington is the last remaining caribou herd in the lower 48 states.

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Caribou: Current and Historic Range (animated)

The Selkirk herd in northern Idaho and Washington is the last remaining caribou herd in the lower 48 states.

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Grizzly Bear: Current and Historic Range (animated)

Grizzlies once roamed throughout western North America, but their range has diminished substantially.

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Grizzly Bear: Current and Historic Range Map

Grizzlies once roamed throughout western North America, but their range has diminished substantially.

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Gray Wolf: Current and Historic Range Map

Despite recent population increases in Idaho, Montana, and Wyoming, gray wolves occupy only a small fraction of their historic habitat.

Animated map

Gray Wolf: Current and Historic Range (animated)

Despite recent population increases in Idaho, Montana, and Wyoming, gray wolves occupy only a small fraction of their historic habitat.

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Salmon: Current and Historic Range Map

At the Northwest's southern end, where human impacts are greatest, the percentage of imperiled wild salmon stocks climbs.

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Gray Wolves in Idaho and Montana

The largely successful reintroduction of gray wolves to the US Rocky Mountains.

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Map of Electricity Transmission Lines in Cascadia

The Pacific Northwest's vulnerable power network.

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1998 Map of Dam Proliferation in Cascadia

Cascadia's power dams have decimated its salmon runs.

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Boise-Area Population Density

Boise, Idaho, is the Northwest's most sprawling metropolis.