A NASA satellite has detected a significant decline since 2005 in nitrogen dioxide- a major air pollutant. Read more
Ellen Alderton is co-founder and director of communications for the Latino-serving nonprofit organization, La Mano Amiga. Ellen has developed hundreds of educational, short-format radio programs for Latino audiences nationwide and has directed national multimedia behavioral change campaigns. She has lived overseas for thirteen years, working and studying in six foreign languages, and has written and edited educational publications for technical, business and lay audiences. In her free time, she is a marketing specialist for the Peace Corps.