A large patch of plastic afloat on the Pacific, sharks with large tumours, radio-active fish, and rising temperatures and seas - the world is on a perilous drift to cataclysm. But, there are islands of hope as like-minded individuals and organisations do their bit to save the environment. Their micro-level interventions, like the one for holistic living in Maranchery panchayat in Kerala's Malappuram district, hold out a leaf of hope. Onmanorama features some of the green tales on World Environment Day.