Jakarta Post: Since 2000, groundwater levels in Yogyakarta province have dropped by an average 30 centimeters a year because of climate change, Gadjah Mada University hydro-geologist Heru Hendrayana says. Speaking at a discussion on groundwater resources here on Thursday, Heru said there was a common misunderstanding among the local community who often associated water scarcities with uncontrolled usage of water resources. “But it’s not *caused by that*. It has more to do with prolonged …