David B. Williams’ essay "Dead Trees Tell No Lies" explains how geologists read tree rings to unveil details of major earthquakes along the Seattle fault over 1,000 years ago.

The Montana-based author of "Treekeepers" stopped by Seattle and Tacoma as she researches the how and why behind efforts to preserve and re-grow forests around the globe.

Seth Zuckerman highlights ecological forestry in the 2024 book "A Forest of Your Own." He says this alternative type of forest management will deliver more value over the long term.

Now retired from The Seattle Times, Lynda Mapes examines the future of forests in her sixth book, “The Trees are Speaking.”

KNKX Environment reporter Bellamy Pailthorp interviews five authors about the admiration and curiosity they have for their subjects: the trees all around us.

Parts of California, Oregon and Washington state will experience extreme heat at least through Tuesday, forecasters say.

Views of the Puget Sound region’s iconic mountain are darker, showing signs of climate change.

The key ingredients in concrete take lots of energy to produce. A new study shows adding untreated sea lettuce can cut one-fifth of its carbon footprint.

The Northwest Seaport Alliance project aims to reduce emissions from transporting cargo from port terminals to warehouses.

Hydrogen fuel cells offer some advantages over electric batteries as transit agencies transition to zero-emissions fleets.