Draped in a colourful saree and shirt, women dive into the waters off India's southern coast to collect seaweed, which is being hailed by scientists as a miracle crop that absorbs more carbon dioxide than trees. "Seaweed farming is very much an eco-friendly and not much labour-intensive," a local government scientist explains as authorities look into how seaweed farming could help reduce the impact of greenhouse gas emissions, as well as providing a sustainable livelihood for India's marginalised coastal communities. IMAGES AND SOUNDBITES