S1: The ecosystem of water is complex and many environmental factors are intricately linked.

S6: The trees slowly transfer rainwater into the sub-soil and this is critical for sustaining water for months after the rains.

P: Thick forests make for excellent catchments.

Q: The problems we see are because we have undermined these links over decades.

R: First rain and snowfall are the only sources of water – about 99%.

S: In the four months of monsoon, there are about 30-35 downpours and the challenge is to hold this water in systems that can last us over 365 days.

The correct sequence should be