A day after the United Nations warned that 5.7 billion people could be short of drinking water by 2050, experts said agriculture faces its own threat. Technology is helping to transform irrigation, with drones, computerized irrigation systems, data and satellites playing their part, speakers said at the 8th World Water Forum, an international gathering of water experts. “There is a boom in techniques for water management for economizing this resource and also in the area of (crop) genetics,” Lopes said. “This revolution is already there.”Blue water, green waterWater supplies are divided into what’s known as blue water, like lakes, and green water, or what’s found underground and in woodland. “It’s important while we’re continuously constrained by water availability to make sure that we’re doing everything we can to use all of those resources more efficiently,” said Claudia Sadoff, director of the International Water Management Institute.

Source: Philippine Daily Inquirer March 21, 2018 00:56 UTC