The figure you mentioned, 15,000 liters of water per steak, is a commonly cited estimate for the water footprint of beef production. It takes into account various factors, including water used for animal feed, drinking water, and other processes throughout the livestock supply chain.
Your suggestion of implementing rules and regulations for meat consumption is an interesting perspective. Environmental considerations, such as water usage and sustainability, are important factors to consider in food production. Some regions and organizations have implemented regulations or guidelines to promote sustainable agriculture and responsible animal husbandry practices.
It's worth noting that different countries and regions may have their own regulations and standards in place regarding livestock production and meat supply chains. These regulations often aim to ensure food safety, animal welfare, and environmental sustainability.
Promoting responsible and sustainable practices in agriculture and livestock production can help mitigate the environmental impact associated with meat consumption. Encouraging local and sustainable food systems, supporting small-scale farmers, and raising awareness about the environmental consequences of certain food choices are all steps that can contribute to a more sustainable food future.
Ultimately, it's a complex issue with various perspectives and considerations. Public awareness, education, and policy initiatives can all play a role in shaping more sustainable and responsible food systems.