UNSDG #12 – Responsible Consumption and Production Big Island Dairy...

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Alex Siordia

Dairy Farm Pollution
 Manure can seep into
groundwater or other
sources of drinking
water.
 Increases level of
nitrogen,...

Green House Effects
Methane
 Absorbs 20 times more
heat per molecule than
Carbon Dioxide.
 Has more impact on
climate ch...

Why Go Green?
 In order to reduce methane emissions and water
contamination, dairies can turn alternative forms of
energy...

BIG ISLAND
DAIRY
• Located in 'Ō'ōkala,
Hawaii
• 2500 Acres
• 1300 Cows
• Grows corn that is used
as feed.

Big Island Dairy
 Single Barn housing approximately 800 cows.
 One milking dairy.
 Corn is grown and used as feed.

Barn

Dairy

Costs
 $500,000 in commercial fertilizer per year
 $26,000 used in electricity per month

Big Island Dairy:
Motivation for
Sustainability
 Environmentally
 Eliminate outside energy
dependence.
 New Barns will ...

Current green practices
 Use of Variable Speed Drives in pumps and motors.
 LED lights with motion sensors are used to r...

Green Future
 Planned expansion includes two new barns housing
approximately 900 cows each.
 New dairy building
 Automa...

Methane Digester
• Air-tight structure that
holds manure.
• Methane gas is collected
after manure
decomposes, and is
used ...

Digester Process
 Manure is put into an air-tight structure.
 After time has elapsed, and more manure is added,
the manu...

Big Island Dairy
Benefits of a Methane Digester
 Electricity produced from
the methane would
eliminate electricity costs
...

Overall Effect
• Environmentally friendly and cost effective.
• Serves as example for other dairies to pursue.
• Helps the...

References
 http://www.aaccessmaps.com/show/map/us/hi/hawaii_island
 http://www.stockphotos.it/image.php?img_id=8481219&...

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