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Methane Mitigation

how biohavens fight climate disruption

Freshwater Lakes and Impoundments are a Critical Source of Greenhouse Gas (GHG) Emissions

​Water is the largest source of methane today​

Aquatic methane that emits from nutrient-impaired freshwater is a major contributor to climate warming.   This pervasive source is just now being factored into the Intergovernmental Panel on Climate Change (IPCC) greenhouse gas inventory calculations.  Yale ​scientists estimate that 13% of all greenhouse gas emissions derive from aquatic sources.  Scientific consensus is that approximately 50% of methane from all sources is being emitted by impaired freshwater. 
Summaries of key, recent scientific papers are available here.

The link between methane emissions and eutrophication

​Methane emissions correlate with lake size and the level of eutrophication the lake experiences. Methane is more prevalent in lakes with oxygen-poor, carbon-rich environments that experience algae blooms  The authors of the 2018 study noted the possibility that one particular form of carbon is more readily turned to methane (CH4). Therefore, they argue, ongoing eutrophication is a key factor in the increase of global methane production.

​BioHaven FPV brings good news

​BioHaven Floating Islands treat lakes that are eutrophic by reducing the nutrient pollution that causes algae blooms. BioHavens transition water back towards a more pristine state.  BioHaven FPV can transition water at a scale that will make a difference.

BioHavens have a 12-year proven history in reducing algae blooms by reducing the carbon and nutrients they thrive on and revitalizing the water by creating an oxygen-rich environment.

The Airlift Aeration system, which combine the surface-area of a BioHaven Floating Island platform with aeration of the water column, are our flagship product for fighting HABs and their GHG impact. 

BioHaven FPV platforms, which deploy BioHaven Floating Islands interspersed with Airlift Aeration on a large scale, are a timely solution to halt the rate of eutrophication and reduce the impact on our atmosphere.

Floating Island International brings solutions that offer a return on investment to offset the costs of implementation.  BioHaven Floating Solar is the ideal vehicle to fight climate change, not only by generating clean power but also by cleaning up lakes and impoundments to reduce the emission of dangerous levels of methane into the atmosphere. We are actively exploring carbon credits as part of the cost offsetting.
data from the EPA
From the US EPA's website
Green House Gas emissions
If we add water to the EPA's pie-chart graph, this is what it looks like.
ADD BIOHAVENS TO YOUR CLIMATE PLAN

Every BioHaven launched makes us a climate hero

​There are many urgent reasons why BioHaven Floating Islands should be deployed to help offset the effects of climate disruption.
BE A CLIMATE A HERO: CALL US!

​Wastewater lagoons are another leading cause of GHG emissions 

​Rural wastewater lagoons are a leading contributor to greenhouse gas emissions. As the schematic shows, the cause of this is excessive build-up of organic matter in the sediments, which in turn is caused by lack of oxygen. Oxygen supports the removal of organics by providing the conditions needed for the bacteria that digest this material. BioHaven Floating Islands provide surface area for these bacteria to flourish, and increase the oxygen input into water, especially through added aeration.

The Airlift Aeration system is an ideal solution. It can be deployed in Lagoon 1, to reduce the BOD and / or in Lagoon 2 to reduce ammonia and take out the remaining BOD. The solar-powered NanoHaven (not shown) decreases the reliance on grid power, which is the biggest expense in treating wastewater.
diagram of anaerobic lagoon
Lagoons that are insufficiently treated can quickly become anaerobic and cause the release of potent greenhouse gases into the atmosphere.
stratified water and treatment options
How nanobubbles work to reduce a thick, odorous muck layer by increasing oxygenation in the sediments (courtesy of MoleaerTM).

Urban heat sinks

​Many cities are getting hotter with the impact of climate change.  Creating parks and ponds helps to absorb some of the heat to provide cooler areas for humans to relax in. BioHaven Floating Islands can be incorporated into Urban Cooling Projects to reduce the impact further:
  • BioHavens attract heat away from the water, providing cooler habitat for aquatic life.
  • BioHavens provide shade and cooling underneath the island, and by blocking out the light, inhibit the excessive growth of underwater plants that can choke the water and deprive it of oxygen.
  • Solar BioHavens can be deployed on a small or large scale to create alternative power that reduces emissions further for sustainable power.
Please reach out to us for more information on how BioHaven Floating Islands can mitigate climate change.

Recommended Reading

https://phys.org/news/2019-09-cold-uexpected-greenhouse-gas-effect.html
https://phys.org/news/2019-09-cold-uexpected-greenhouse-gas-effect.html
https://www.cbc.ca/news/canada/calgary/abraham-lake-north-saskatchewan-river-methane-bubbles-frozen-ice-1.5424865


BioHaven® Climate Action Products

  • BioHaven StreamBed / Airlift Aeration system
  • High-Energy BioHavens​

Other BioHaven® Solutions

  • Ponds & Lakes Stewardship
  • Mitigate Harmful Algae Blooms
  • Floating Solar and FPV
  • Stormwater Management
  • Wastewater Lagoon Treatment
  • Wave Mitigation, Shoreline & Asset Protection
  • Habitat Creation

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