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Cambodia Clean Drinking Water Filters Carbon Offset Project

Hydrologic Clean Water Filters in Cambodia

This project improves access to safe drinking water in Cambodia by providing water filters to rural families. By eliminating the need to boil water using wood fuel, the project prevents CO2 emissions, reduces pressure on Cambodia’s precious forest resources, and improves indoor air quality.

Where & Why

Water-borne diseases are a major health concern in Cambodia, particularly among young children in rural areas. Untreated water and poor sanitation causes about 10 million cases of diarrhea and 10,000 deaths in the country each year. Most families in Cambodia boil water on wood or charcoal stoves to make it safe to drink. Typically women and girls are responsible for gathering and burning the firewood. This exposes them to harmful smoke which can cause adverse health effects. In addition to affecting respiratory health, this burning process also produces carbon emissions and puts pressure on Cambodia’s precious forest resources. 

How & Who

This project will improve access to clean drinking water and reduce emissions by selling affordable ceramic water filters to rural households in Cambodia. Over the seven year crediting period, water filters will be provided to up to 1.7 million people across a potential 312,000 households. The filters are shown to remove 99.9% of bacteria from water and can produce up to 30 liters of clean water per day.  Families that have water filters in their homes will no longer need to disinfect their water by boiling it. 

By eliminating the need for wood fuel, the project reduces depletion of Cambodia’s forest resources, relieves mothers and daughters from collecting firewood, and lowers household fuel expenses. The use of filters instead of wood burning also lessens indoor air pollution, thereby preventing greenhouse gas emissions and reducing the risk of respiratory illness. Plus, since the filters are produced by Hydrologic, a Cambodian social enterprise, the project also generates employment opportunities for local residents.

Environmental Benefits

  • Reduces depletion of forest resources
  • Mitigates climate change by preventing CO2 emissions

Community Benefits

  • Improves rural access to clean drinking water 
  • Decreases time women spend collecting firewood 
  • Reduces respiratory illness
  • Creates local employment opportunities 
  • Reduces household fuel expenses

Project Type

Forests

Energy

Location

Annual CO2 Reduction

89,000 metric tons CO2e

SDGs Supported

Verification Standards

Project Developer

Hydrologic

Project Documents

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Vietnam Biogas Carbon Offset Project

Vietnam Biogas

By installing biogas digesters in households across Vietnam, this project provides rural families with a clean and affordable source of energy. Use of these digesters reduces reliance on traditional fuels which lessens greenhouse gas emissions, prevents deforestation, and improves community health.

Where & Why

Vietnam is home to millions of small family farmers, many of whom raise livestock such as pigs and cattle. The waste from these animals produces large amounts of methane emissions – a greenhouse gas that is even more potent than carbon dioxide. Since 1990, Vietnam’s methane emissions have nearly doubled. In addition to fueling climate change, the waste produced by these animals can lead to water pollution and poor sanitation when it is not properly managed. This poor waste management can cause health issues for many local families.

In order to create energy, many families in rural Vietnam burn wood or conventional fossil fuels indoors. This process emits harmful particles into the air which can lead to respiratory illness. Parts of Vietnam experience limited access to traditional cooking fuels and firewood, and are affected by the increasing price of commercial fuels. Despite recent development, 59% of Vietnam’s small family farms remain below the national poverty line. Fuel costs are just one more financial burden on these communities.

How & Who

This project installs biogas digesters in rural households, providing families with sustainable and affordable energy. Local people are trained to build and maintain the digesters which work by collecting human and animal waste in a brick reservoir. When this waste decomposes, it releases methane gas which is piped into homes and used for cooking and lighting. The remaining is converted into an organic compost that can be used to fertilize their crops.

As of 2017, the project has supplied 158,500 biogas digesters and over 2,600 local people have been trained as masons and technicians. The digesters provide a clean, renewable, and reliable source of energy for 790,000 rural individuals. By converting methane from animal waste into household fuel, the project lessens harmful greenhouse gas emissions and prevents indoor air pollution. Since the project reduces reliance on wood fuel it also helps to protect surrounding forests areas, while reducing income spent on fuel and time spent collecting firewood. The project also improves sanitation and reduces water pollution by removing animal manure from the surrounding area. 

Environmental Benefits

  • Minimizes deforestation by reducing wood fuel needs
  • Mitigates climate change by converting animal waste into household fuel
  • Decreases water pollution
  • Produces organic fertilizer

Community Benefits

  • Improves indoor air quality and sanitation 
  • Provides affordable energy to rural families
  • Trains local people and creates rural jobs
  • Decreases time spent by women collecting firewood

Project Type

Forests

Energy

Location

Annual CO2 Reduction

500,000 metric tons CO2e

SDGs Supported

Verification Standard

Project Developers

SNV Netherlands Development Organisation
Ministry of Agriculture and Rural Development (MARD)

Project Documents

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