Bøker av Gretchen Smith

There is a quiet stillness in the air as snow covers the ground. This heartwarming story brings to life the sights, sounds, and feelings that children will be drawn to when they think of a snowy day.A lover of nature, Gretchen Smith desires to connect children and adults to the beauty God created for all to enjoy in the great outdoors. She lives in Colorado with her husband, children, and sweet puppy Tucker.

This work on waste treatment focuses on microbiological degradation of contaminants. It offers an assessment of the status of environmental biotechnology and the methods and applications of bioremediation. Case studies are presented to demonstrate successful treatment schemes and technologies.