By Rutendo NgaraSTAFF WRITERngarar@dailynews.co.zw THE World Bank (WB) says unsustainable land use in Zimbabwe is costing the country nearly US$2 billion annually and also exacerbating droughts and poverty.This comes after the WB recently conducted an assessment to quantify the impact of unsustainable land use in partnership with ProGreen in a bid to curb land degradation,…

