Community pressure and federal legislation could help protect a hard-won South King County park from long-term development. 

Waste flushed into Puget Sound harms fish and marine life. A nutrient pricing system — like WA’s cap-and-trade program — may curb pollution.

Allocating funds from the carbon plan to minority communities most affected by pollution could draw legal battles based on the new SCOTUS decision.

The state’s cap-and-trade system is met with skepticism and grudging acceptance as companies pass the program’s cost to consumer pocketbooks.

The whale — also named Sk’aliCh’elh-tenaut and Lolita — was captured in 1970, but died last month before her planned return to the Salish Sea.

The debate over more density or more tree canopy got personal as developers clashed with the city’s Urban Forestry Commission. 

To reach per-acre parity with Bureau of Land Management and Forest Service lands, the government would need to increase funding by $96M every year.

'There are times where you just don’t breathe, because you can’t.'

Driven by climate change, more frequent blazes may change the way we hike, ski and camp.

As wildfire risk increases, so does the frequency of hazy, hazardous days. Here are some tips on monitoring air quality – and your health.

‘Working forests’ like state-run Tiger Mountain retain greenhouse gases — but logging is deeply entrenched in Northwest economies.

Incarcerated people are taking extreme measures for relief, with some even opting for the cooler temperatures of solitary confinement cells.

Similar to thrift stores, the shops keep potential waste out of landfills by repurposing ‘stuff’ in new sustainable ways.

Critics say that eliminating local control of the 10 populations in favor of a statewide plan could threaten Native treaty rights.

Fires caused by rechargeable batteries spark controversy over whether e-bike owners should be allowed to make repairs themselves.