marginalised secure livelihoods conservation environmental impact learning conservation of nature tribal traditional food biodiversity energy rural economy millets agrobiodiversity sustainable consumerism education environmental issues rural seed diversity activist ecological empowerment Water management sustainability sustainable prosperity biological diversity Nutritional Security technology farmer community-based forest food livelihoods movement organic agriculture organic seeds collectivism adivasi traditional agricultural techniques eco-friendly values economic security farmers Food Sovereignty farm organic forest wildlife farming practices agricultural biodiversity environmental activism organic farming women empowerment farming social issues urban issues food sustainable ecology commons collective power nature seed savers environment community youth women natural resources nutrition equity localisation Traditional Knowledge waste food security traditional farms water security food production alternative education water alternative learning agriculture ecology health participative alternative designs waste management women peasants culture sustainable ecological sustainability art alternative approach community conservation