Cedar Hills in Maple Valley is ranked among the top 50 methane-producing landfills in the country. But new science and policy breakthroughs could help.
It would cost the state about $7.5 billion to repair culverts that violate Indigenous fishing rights, but millions from the U.S. government could help.
Asahel Curtis shot thousands of images in the early 20th century. Knute Berger talks about the effort to share them with the public for the first time.