WearMe project - Bezos Fund

Methane (CH4) is a greenhouse gas that contributes to global warming and climate change. One of the major sources of methane emissions is the livestock sector, especially cattle, which produces methane through their digestive processes. Cattle burps account for about 95% of the methane they emit, and this methane is more than 84 times more powerful than carbon dioxide in its first two decades in the atmosphere. To reduce the environmental impact of cattle farming, it is important to measure and monitor the methane emissions from cows’ burps. However, this is not an easy task, as the emissions are diffuse, variable, and influenced by many factors, such as diet, breed, health, and weather. Traditional methods of measuring methane emissions from cattle, such as using chambers are often invasive, expensive, or impractical. These new technologies have the potential to help farmers, policymakers, and researchers to better understand and manage the methane emissions from cows’ burps, and to mitigate their effects on climate change. One of the proposed solutions is to use cow masks, which are wearable devices that fit over the cow's nostrils and absorb the methane gas before it reaches the atmosphere. The device uses a catalytic mechanism that oxidizes the methane and converts it into carbon dioxide and water vapor, which have a much lower warming effect than methane. The device also collects and analyzes data about the cow's behavior and health, such as its breathing rate, activity level, and temperature. This data can help farmers monitor and improve the welfare and productivity of their animals.