water food energy nexus and security

3 elements are

Interlinked

Balance

Interdependence

Water food energy nexus definition

Model for developing an understanding of resource pressure

Framework for considering domestic and wider geopolitical conflicts

understanding how changes in one sector has impact on others

Resource server in one resource area will

Directly impact the resource security of the other

Nexus create what globally and locally

tension between different stakeholders in geopolitical state

Nexus is central to

Sustainable development

Why is demand for nexus increasing

Rising global population

Rapid urbanization

Changing diets

Economic growth

Largest consumer of freshwater

Agriculture

More than a quarter of energy globally is on

Food production and supply

Nexus interlinked hence require

Integrated approach to ensure water and food security and sustainable agriculture and energy production worldwide

food security

availability and access to sufficient safe and nutritious food to meet their dietary needs and their preference for an active and healthy life

water security

access to safe drinking water and sanitation

energy security

having access to clean affordable and energy sources for cooking, heating lighting communications and productive use

climate change impact

high temperatures - evapotranspiration - reduce water supply - increase need for irrigation

food availiability

energy needed for pumping water

what impact nexus

climate change

population growth

geopolitical stability

technology

disease