Vocabulary

• per year: For each year; annually.
• on average: Typically; usually; based on an average calculation.
• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• used to: Did regularly before, but don't do now
• threat to: A person or thing likely to cause damage or danger.
• up there: In or to a higher place or position; far away.
• right up there: Among the best or most successful.
• mess up: To make a mistake
• along with: In addition to; together with.
• look at: To use your eyes to focus on something
• as for: Concerning; regarding.
• in places: In some locations but not others
• for one thing: Used to introduce a reason for something.
• at most: Not more than; a maximum of.
• depending on: To rely on for support (financial or emotional)
• lead to: To result in some action
• give up: To lose hope or admit defeat
• have to: Must do
• diabetes: Illness where there is too much sugar in the blood
• average: Total of numbers divided by the number of items
• environment: Natural world in which plants and animals live
• amount: Quantity of something
• climate: Typical weather conditions in a particular place
• consumption: The act of buying and using products
• crowd: To force too many things, people into
• absorb: To take up all attention / energy of something
• toll: Sound that a big bell makes, when it is rung
• confront: To make someone, e.g. who has lied, face the truth
• effect: An advantage, benefit
• grain: Seeds of plants used for food
• create: To make, cause, or bring into existence
• digest: To convert food into energy in your stomach
• produce: Fresh foods such as fruits and vegetables
• diet: To eat special or less food, as to lose weight
• major: High-ranking officer in the army
• quarter: 25 cents
• carbon: Chemical element with an atomic number of 6
• dioxide: An oxide containing two oxides per molecule
• vary: To change something and make it different
• auction: To sell to a person offering the highest price
• livestock: Any animals kept for use or profit
• harmful: Likely to cause damage or injury
• single: One run in cricket or a hit baseball
• threaten: To cause something potential harm, or put at risk
• algae: Green organisms that live in still water
• multiply: To increase in number by reproducing/having babies
• system: Set of organized, planned ideas that work together
• cereal: Breakfast food eaten with milk
• joint: Body parts where bones meet and can move together
• methane: Colorless gas without smell often used as fuel
• fertilizer: Substance added to soil to help plants grow
• pound: The # key on a keyboard
• worldwide: Spanning or extending throughout the entire world
• coal: Dark hard substance from the earth burnt as a fuel
• person: Man, woman or child
• feed: To give food, e.g. to animals or a baby
• hide: To go to, or put a thing where it can't be found
• change: To exchange one set of clothes for another
• grow: To get bigger and more mature; make plants do this
• lot: What happens to a person in life from chance; fate
• pollution: Dangerous substances released into an environment
• cattle: Cows or bulls on a farm
• nitrogen: A colorless chemical element without a smell
• disinfect: To remove bacteria by cleaning
• land: Region or country
• sponge: Soft cleaning material able to absorb water
• world: All the humans, events, activities on the earth
• global: Concerning, involving, affecting all of something
• grass: To betray someone
• greenhouse: Greenhouse gas that makes the Earth get warmer
• calf: Young cow
• prevention: Act of stopping something bad from happening
• soy: Food substance made from soya beans
• manure: Animal waste put on soil to help plants grow
• contributor: Someone who gives money to cause, charity
• runoff: A second election to find a winner
• slaughterhouse: Building where animals are killed for their meat
• oxide: Compound from combining oxygen with a chemical
• ammonia: Colorless liquid or gas used in cleaning products