environmental contamination

By Betsy Fradd, WSU Extension EVERETT, Wash. – Poplar trees, known for their fast growth and versatility, are being used for recycling treated wastewater and cleaning contaminated soil. 

WSU’s Schulze-Makuch PULLMAN, Wash. – Two university researchers say environmental restrictions have become unnecessarily restrictive and expensive – on Mars. Writing in the journal Nature Geoscience, astrobiologists Alberto Fairén of Cornell University and Dirk Schulze-Makuch of Washington State University say the NASA Office of Planetary Protection’s “detailed and expensive” efforts to keep Earth microorganisms off […]