자연사랑 is a Korean environmental information portal and directory that helps users discover organizations, businesses, products, and places connected with sustainability. Its listings include hundreds of environmental NGOs, thousands of eco-friendly companies, and tens of thousands of green products, alongside nearby zero-waste venues, refill shops, and local food providers. The site organizes recommendations through Green Pick categories such as books, companies, products, stores, and NGOs, and highlights themes including local produce, direct sourcing, seasonal ingredients, and reduced food miles.

Nature Sarang also offers environmental education and certification resources, challenges and campaigns, and a publication featuring eco-friendly locations in local communities. Its ESG LAB archive and AI environmental columns provide articles on issues such as carbon markets, emissions trading, and the circular economy. By combining a searchable directory with educational content and practical initiatives, the portal supports people and organizations seeking more sustainable choices and greater understanding of environmental issues.

It also presents information about green products and community-level options to help users connect sustainability principles with everyday decisions