Environment & Sustainability

Pacific Northwest’s Largest Highway Project Ever Is in Deep Denial

Proponents of a $7.5 billion project to widen I-5 and replace the Columbia River bridge are ignoring induced demand, creating faulty traffic models that obscure its real environmental impact.
Two Navy Blue Angels planes pass each other over boats tied to a log boom in Lake Washington.

Op-Ed: It’s Time for Seattle to Cancel the Blue Angels

The highly polluting airshow should be a relic of the past as we face the climate crisis. Dear Seattle, it’s time to be as brave...

Visualizing Compatible Density

Density is a controversial subject in virtually all American communities. While some districts and communities are seeking more density to promote economic revitalization and...
A person bikes on a trestle bridge with a few pedestrians in the background.

Washington’s Statewide E-bike Rebate Program Is Still on the Way

More than a year after the state legislature allocated $5 million in funding, we still don't have a firm date for when e-bike rebates will be available. But WSDOT says work is still happening behind the scenes and a potential launch date is on the horizon.
A photo of a natural wetland area between two tall apartment buildings.

Urbanism 101: What is a Sponge City?

Some experts believe the concept may be the best and cheapest way for cities to adapt to climate change. Numerous cities are dealing with two...

Snohomish County’s Newest Backyard Cottage Law Could Accelerate Exurban Sprawl

The Snohomish County Council moved to expand allowances for accessory dwelling units (ADUs) such as backyard cottages in rural areas this week. However, the...
Two greenish copper statues frank the entrance to the theater, which flies a Danish flag at its apex.

How Copenhagen is Leading the World in Sustainability

Denmark’s capital city is committed to curbing pollution and making it easier and safer to get around by bike or foot. Copenhagen's success has made it a global climate leader with countless accolades for sustainability and livability.
Alaska Airlines plane takes off from Seattle-Tacoma International Airport with Mt. Rainier in the background.

We Need to Try Everything But Build a New Airport

If you sit on the Seattle waterfront on a sunny spring day you can hear a rumble in the distance. No, it’s not the...