biodegradable made of material which will naturally decay relatively quickly because of the action of bacteria on it: Vegetable waste is biodegradable. carton a container made from lightweight cardboard or plastic in which certain food or drink is sold: Jo went to the shop to get a carton of milk.
conservation the act of protecting and preserving something, especially the environment: Conservation of the environment must be taken seriously if future generations are to survive.
decompose to be broken down by the action of bacteria, to rot or decay: We left the vegetable waste to decompose on the compost heap in the garden. disaster (often used loosely in an exaggerated way) also means a very bad or difficult situation that has unpleasant consequences: It would be a disaster for the whole family if Jim were to lost his job. 2 something that is extremely unsuccessful: The firm’s attempt to expand was a disaster. disastrous 1 (often used loosely in an exaggerated way) also means very bad with unpleasant consequences 2 extremely unsuccessful dispose of to get rid of something that you do not want: Jill is disposing of all her old clothes to make room for new ones. disposal the act or process of disposing of something: Bins are provided outside the shop for the disposal of food wrappings. ecology the relationship between human, animal and plant life and its environment or the study of this: Bob has always been interested in issues affecting the environment and now wishes to study ecology at university. effluent waste material in the form of liquid discharged from a sewage works, factory, etc: Effluent from the sewage works is being discharged untreated into the sea. energy 1 a supply or source of power, such as electrical power, solar power, etc: Solar energy. New power stations are being built to produce nuclear energy. 2 ability and power to be active so that you are able to work, get things done, etc 3 liveliness and enthusiasm environment the external surroundings in which people, animals and plants live: The use of modern chemicals can harm the environment. green concerned with the protection and conservation of the environment: Manufacturers of household furniture are being urged to use green materials as much as possible. landfill site a place where waste material is buried under layers of earth, often being excavated especially for this purpose: The old tin quarry has become a landfill site. monitor to check something at regular intervals in order to find out any changes or developments: Doctors are monitoring the patient’s condition. nuclear waste the radioactive waste which is left after an industrial nuclear process has been completed: Some experts are worried in case nuclear waste cause health problems, such as some forms of cancer. packaging the materials in which objects are wrapped before they go on sale: Fancy packaging sometimes costs more than the product which it contains. peelings plural piece of fruit or vegetable skin that are cut off as being unwanted: She peeled the apple and left the peelings on the table. pollution the act or process of causing something, such as the environment, air or water to become dirty, harmful or unfit for use: The air pollution in the city is being blamed on the large number of cars. recycle to put material or an object through some kind of process that allows it to be used again: Paper can easily be recycled and so you should not burn newspapers. recyclable of material, can be recycled: The shop is trying to use waste carrier bags which are recyclable.
1. unwanted been used: material The waste which from remains the small after factory something was being has illegally thrown into an old quarry.
2. unnecessary, extravagant, wrong or unwise use of something: It was a waste of time going to see that film; it was very boring. waste to use something in an unnecessary, extravagant, wrong or unwise way: You’ll be wasting your time if you wait for Jean; she said she’s not coming. waste disposal the act or process of getting rid of waste: New methods of waste disposal must be found to get rid of unwanted goods made from plastic.