I write this with considerable impatience and one question. Do we really have the time to waste on controversies like what ancient India did or did not achieve by way of scientific discoveries? This is when there is the huge unfinished agenda to use the best of science to tackle current challenges and crises.
The floods in the Himalayas have been ferocious and deadly. Fears are that the final body count could run into several thousands. There is no clear estimate of the number of villages wiped out, property destroyed, roads washed away and hydropower projects damaged in the mountain state of Uttarakhand. The mountains are bleeding and its people have been left battered, bruised and dead.
A rainwater harvesting system comprises components of various stages - transporting rainwater through pipes or drains, filtration, and storage in tanks for reuse or recharge. The common components of a rainwater harvesting system involved in these stages are illustrated here.