Dive Brief:

• The Detroit Zoo in Royal Oak, MI, plans to convert animal waste into methane and compost.
• The 125-acre zoo houses animals that produce 400 tons of waste annually, waste material that has the potential to save the zoo up to $80,000 per year in energy costs.
• Construction on an anaerobic biodigester will begin this spring, and is touted as the first zoo-based system of its kind in the nation. 

Dive Insight:

In August 2014, the construction of a $80 million hog waste-to-energy facility in Missouri was announced, planning to capture biogas from hog farms using anaerobic technology.