The world needs more toilets – but not ones that flush

The invention of the flush toilet was probably one of the most unsustainable innovations in human history

Nature's subsidy

Watertight

Rate water fixtures for efficiency to cut wastage

Fixing old houses on Himalaya

German architect Andre Alexander has been restoring old buildings in the Tibetan capital Lhasa for 15 years now. Over the past few years he has …

Churu says yes to hygiene

The district is all set to become the first in Rajasthan to completely stop open defecation. Will others follow?