Water availability is a major factor constraining humanity's ability to meet the future food and
energy needs of a growing and increasingly affluent human population. Water plays an …

Over the last three to four decades, several methods for assessing groundwater vulnerability
to anthropogenic pollution have been developed. Researchers and policymakers have …

Irrigation is a land management practice with major environmental impacts. However, global
energy consumption and carbon emissions resulting from irrigation remain unknown. We …

An estimated 23 million people live on floodplains affected by potentially dangerous
concentrations of toxic waste derived from past and present metal mining activity. We …

Salinization poses a major challenge for modern agriculture with considerable areas being
salt-affected worldwide. However, these lands can be cultivated by applying saline …

WaterGAP is a global hydrological model that quantifies human use of groundwater and
surface water as well as water flows and water storage and thus water resources on all land …

Data on global agricultural production are usually available as statistics at administrative
units, which does not give any diversity and spatial patterns; thus they are less informative …

Deficiencies of micronutrients, including essential trace elements, affect up to 3 billion
people worldwide. The dietary availability of trace elements is determined largely by their …

Climate change and the increasing demand of water intensify the global water cycle, altering
the distribution of water in space and time. This is expected to result in wet areas getting …

Improvements in irrigated areas' classification accuracy are critical to enhance agricultural
water management and inform policy and decision-making on irrigation expansion and land …