Less than one-sixth of the total Mekong catchment is in China, but that upstream flow is crucial to neighbours during the dry season.

ECONOMIST: Banyan

The potential for new large-scale upstream irrigation in the Mekong basin is limited by topography and so the annual flow of 400-500 billion cubic metres into the Delta is just not to going to disappear.

ECONOMIST: Letters

Two rival metering models used in large commercial buildings to track the flow of electricity as it moves through a building shows the difference between upstream and downstream applications in the smart-grid space.

FORBES: Smart Grid Vendors Swim Upstream