Helpline for birds
Meet the brothers in Old Delhi who treat birds maimed by kite strings
Back from the brink
A Kerala village grows organic pokkali rice after 25 years
A simple device
But the invention of the stethoscope revolutionised medical diagnosis
It only gets hotter
Mangoes lost 150 years ago
A Karnataka farmer conserves mangoes lost 150 years ago
Dye filter
An improvised bio-sand filter helps Nepal dyers treat toxic effluents
Mermaid's second life
The dugong stages a revival, thanks to conservation efforts
Coal mining threatens Meghalaya caves