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Resource efficiency is the maximising of the supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively, with minimum wasted resource expenses. It means using the Earth's limited resources in a sustainable manner while minimising environmental impact. Resource management
Energy portal; These are modes of energy production, energy storage, or energy conservation, listed alphabetically.Note that not all sources are accepted as legitimate or have been proven to be tappable.
Wild fish are an example of common goods. They are non-excludable, as it is impossible to prevent people from catching fish. They are, however, rivalrous, as the same fish cannot be caught more than once. Common goods (also called common-pool resources [1]) are defined in economics as goods that are rivalrous and non-excludable. Thus, they ...
Sweet sorghum may be a promising alternative source of bioethanol, due to its tolerance of a wide range of climates. [118] Cow dung can be converted into methane. [ 119 ] There is also a great deal of research involving algal fuel , which is attractive because algae is a non-food resource, grows around 20 times faster than most food crops, and ...
Examples of common-pool resources include forests, man-made irrigation systems, fishing grounds, and groundwater basins. For instance, fishermen have an incentive to harvest as many fish as possible because if they do not, someone else will—so without management and regulation, fish stocks soon become depleted.
Energy resources may be classified as primary resources, suitable for end use without conversion to another form, or secondary resources, where the usable form of energy required substantial conversion from a primary source. Examples of primary energy resources are wind power, solar power, wood fuel, fossil fuels such as coal, oil and natural ...
Efficiency improvements often lead to a rebound effect in which consumers use the money they save to buy more energy-intensive goods and services. [44] For example, recent technical efficiency improvements in transport and buildings have been largely offset by trends in consumer behaviour, such as selecting larger vehicles and homes. [45]
Natural resources are also categorized based on the stage of development: Potential resources are known to exist and may be used in the future. For example, petroleum may exist in many parts of India and Kuwait that have sedimentary rocks, but until the time it is actually drilled out and put into use, it remains a potential resource.