The provided information does not directly relate to "Onnu Projects" or the specified URLs. However, there is information about Onnu Biochar, which offers UK-made biochar solutions for soil health, enhancing plant growth and promoting sustainable agriculture practices. Their products include pure biochar and compost mixes, targeting gardeners, commercial growers, and landscapers. The unique selling proposition is their focus on sustainable, high-quality biochar production that contributes to a circular economy by utilizing waste biomass and capturing carbon[3]. For "Onnu Projects," specific details are not available based on the provided search results.