Agence France-Presse: Burgeoning demand for food to feed the world’s swelling population, coupled with increased use of biomass as fuel is putting a serious strain on global water reserves, experts said "If we look at how much more water we will need for food and how much more for biomass for energy going forward … it is quite worrying," said Jan Lundqvist, who heads the scientific programme at the Stockholm International Water Institute (SIWI). Global food needs are expected to roughly double by …