Sierra has received one or more Maggie Awards from the Western Publications Association almost every year since 2000 and has been recognized repeatedly for excellence in design by Folio magazine's Ozzie Awards, among other honors.

2012
January/February:

• "Kick Coal, Save Jobs, Right Now": Society of Publication Designers Merit Award for the Best Illustration/Single Spread
March/April:

• March/April issue: Folio magazine's Silver Eddie Award for the best full issue by an association/nonprofit publishing six issues per year
• "High Art": Maggie Award for Best Series of Editorial Photographs/Consumer
• "High Art": Maggie Award for Best Single Editorial Photograph/Consumer
September/October:
• "Make Light": Maggie Award for Best Feature Article/Consumer
November/December:
• "The Cost of Coal": Maggie Award for Best News Story/Consumer
2011
May/June

• "Wilderness Dipolomacy": Print's 2012 Regional Design Annual Award
  July/August:
• "Look, It's a Cheatercycle": Maggie Award for Best Single Editorial Illustration/Consumer
2010
January/February:

• "View from the Vortex": Maggie Award: Best Series of Editorial Photographs/Consumer
  2009
  May/June:
  
• "King Coal in Court": Maggie Award for Best Single Editorial Illustration/Consumer;
  "Innovate": Maggie Award for Best Regularly Featured Department, Section, or Column/Consumer
  2007
  January/February, May/June, July/August:
  
• "Smart Energy Solutions": Maggie Award for Best Series of Articles/Consumer
  March/April, May/June, September/October:
  
• "Ways & Means": Maggie Award for Best Regularly Featured Department, Section, or Column/Consumer
  September/October:
  
• "A Patriotic Pall" Maggie Award for Best Single Editorial Illustration/Consumer
  2006
  January/February:
  
• "Photography of Hope": Maggie Award for Best Black-and-White or Two-Color Editorial Layout/Trade & Consumer
  
• "Photography of Hope": Maggie Award for Best Series of Editorial Photographs/Consumer
  March/April:
  
• "A Real Refuge": Canada's Northern Lights Awards First Prize
  2005
  September/October:
  
• "American Idylls": Maggie Award for Best Public Service Series or Article
  
• "Madame Butterfly": American Society of Journalists and Authors Best Profile Award
  2004
  March/April:
  
• "Wild America": Maggie Award for Best Special Theme Issue
  November/December:
• "Bull Elk" (Photographer Gary Kramer): Apogee Award for Excellence in Still Photography
  2002
  January/February:
• "Ode to the Bus": Maggie Award for Best Signed Editorial or Essay
  September/October:
• "Election 2002," Maggie Award for Best Public Service Series or Article
  2000
  January/February:
  
• "Night Ride": Maggie Award for Best Single Editorial Illustration
  March/April:
• "Canada's Forgotten Coast" Maggie Award for Best Public Service Series or Article
  May/June:
  
• "The Legacy of Lewis & Clark," Maggie Award for Best Public Service Series or Article