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people & pollution by Mind Map: people & pollution
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people & pollution

The world's population is growing, and many scientists and conservationists say that the natural environment is deteriorating as a result, but the relationship between environmental problems and human population growth is complex and not fully understood.

Environment pollution

Ecosystems/Waste /Air pollution /climate change / Environmental pollution is contamination of air, water and land from man-made waste. Pollution leads to depletion of the ozone layer, global warming and climate change. Air pollution is the release of chemicals and particles into the atmosphere. Water pollution includes surface runoff, leakage into groundwater, liquid spills, wastewater discharge and littering. If toxins are spilled on the ground or if an underground storage tank leaks, soil can become contaminated. Well known contaminants include herbicides and pesticides. Toxic waste is waste material, often in chemical form, which pollutes the natural environment and contaminates groundwater.

bush fire

oil leak, greenhouse gas emissions

War, Traffic pollution

Change

Causes

Rock movements during an earthquake can make rivers change their course. Earthquakescan trigger landslides that cause great damage and loss of life

Migration, Conflicts

Effects

There is growing evidence that climate change, particularly increasing temperatures, is already having significant impacts on the world’s physical, biological and human systems, and it is expected that these impacts will become more severe

Resources

energy

are discovered to be hydro, solar, wind, biomass, geothermal, coal, crude oil, natural gas, and ocean-wave motion and are used to produce power.

electricity, uses, Consumption

water

water for life

Food

any substance that can be metabolized by an animal to give energy and build tissue any solid substance (as opposed to liquid) that is used as a source of nourishment; "food and drink" anything that provides mental stimulus for thinking

fish, meat

Land use

Land use''' is the human modification of natural environment or wilderness into built environment such as fields, pastures, and settlements. use and land cover are linked to climate and weather in complex ways and are critical inputs for modeling greenhouse gas emissions, carbon balance, and ecosystems

Housing

Pasture

Farming

Growth

The population of the world reached one billion in 1804, two billion in 1927, three billion in 1960, four billion in 1974, five billion in 1987, and six billion in 1999. The population of the world is projected to reach seven billion in 2011 or 2012, eight billion in 2025, and nine billion in 2040 or 2050.

past

future

settlements

Settlement is the period of adjustment that occurs following a migrant or refugee's arrival in a new country, as they become established and independent in their new society. On arrival, the entrant will need: somewhere to live money to live on information and orientation on services including schools, transport and health services Also important during the settlement period are: access to employment and education, the development or enhancement of English language skills, the formation of individual and family social networks,  

types

Location

others

Government policies

Aimes

The Government is committed to creating a prosperous low-pollution economy in which Australia’s environment is protected.

Effects