Resources and environment

RESOURCES AND ENVIRONMENT

Prepared by Sir Theo

Resources – are materialsthat are used to help satisfyhuman needs.

Resources include;• Natural Resources such as: Land Minerals Water Plants Animals Sunlight

• Human Resources or Labor Capital

which are the people who work and their ability, education, and skills

• Physical Resourcessuch as infrastructure,

energy, financial, energy, financial capital, and technology (inventions and innovations.

THE WORLD’S RESOURCES

RENEWABLE NATURAL RESOURCES are those that can be replaced naturally within a certain period, such as forests, soils, plants and animals, and water.

FORESTS Are large areas of land covered

by trees, which have gown naturally for centuries and include shrubs, mosses, wild flowers, and other small plants.

The Economic Values of Forests are:1. It supplies wood from trees, including timber and plywood. 2. It provides, oils, latex, and various other materials. 3. It provides forests plants and animals which Are used for food and medicines

The Worlds Forests may be classified according to variousgeological formations Boreal Forests Temperate Deciduos Forests Temperate Evergreen Forests Mediterranean forest

Tropical Rainforests Tropical seasonal forests Savannas Mountain forests

Deforestation – it leads to soil erosion, drought, flooding, loss of wildlife as well asworsening greenhouse effect

Soils – it is were most living things get –their food sources.Economic value:They serve as sources of food for plants and animals.They serve as grazing land and shelterFor herds.

Plants – very important economicresource.Economic value:They provide foodThey serve as raw materials such as Timber and logs for building houses.They serve as medicine

Animals – are considered also as valuabLe resources. Economic value:They provide food for people.They give them clothing.They help people in work

NON-RENEWABLE NATURAL RESOURCES

Are those resources that cannot be replaceAnymore.

COAL

PETROLEUM

RECYCLABLE MATERIALS These are resources that may be usedmore than once, or converted into different forms.

ALUMINUM COPPER GOLD