GDP per capita

Total GDP value divided by the population of the country (3)

Gender issue

Social or cultural issue that affects men and women differently (13)

Global warming

Sustained increase in the earth's average surface temperature (9)

Green economy

A sustainable economy and society with zero carbon emissions where all energy is derived from renewable resources (12)

Greenhouse effect

Natural process in which the earth's atmosphere traps heat energy from the sun in a similar way to glass trapping heat inside a greenhouse (9)

Greenhouse gases

Gases such as carbon dioxide, methane and nitrous oxide that contribute to human-induced climate change (1)

Gross domestic product (GDP)

Total value of goods and services produced by a country in a year, usually measured in us dollars (3)


Water that is held in underground rocks (4)

Hazardous waste

Waste that contains potentially harmful material, for example, toxic, infectious, corrosive, explosive, or flammable materials (1)


When the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5oc (10)

Heavy metals

Group of toxic chemical pollutants that contain compounds of persistent metals such as mercury, lead, cadmium, nickel, chromium and others (7)

Human development

Continuous improvement of human well-being and quality of life (3)

Human development index (HDI)

Composite index of human well-being that is based on life expectancy, education levels and standard of living (3)


The study of water (4)


Water or other liquids cannot pass through (6)

Integrated catchment management

Approach to water management based on the geographical area of the catchment that recognises the connections of the whole water system, links between land and water use etc. (12)


All the information we have learned and synthesised during our growth and development (13)

Last modified: Sunday, 2 October 2016, 11:36 AM