Vocabulary

• on earth: Used to emphasize a question expressing surprise or anger.
• at risk: In danger; likely to be harmed
• around the world: In or to many countries.
• add up to: To amount to a particular sum or total.
• on average: Typically; usually; based on an average calculation.
• on site: At the location of a particular activity or project.
• sort through: To examine a collection of things in order to organize them, find something specific, or discard unwanted items.
• such as: For example; like
• based on: To use something as the foundation or starting point for something else.
• sort: To organize things by putting them into groups
• potential: Capable of happening or becoming reality
• approach: To get close to reaching something or somewhere
• process: To organize and use data in a computer
• properly: In an appropriate or correct manner
• improve: To make, or become, something better
• concept: Abstract idea of something or how it works
• average: Total of numbers divided by the number of items
• current: Electricity flowing through wires
• demand: Desire customers have to buy product, service
• track: To use marks to follow a wild animal
• contribute: To be a factor in causing something to happen
• commit: To do something bad, usually a crime
• increase: To make or become larger in size or amount
• decade: Period of 10 years
• component: One of the parts that something is made up of
• mean: Average of a set of numbers
• maintain: To keep saying something a certain way
• inspire: To give someone an idea to do or make something
• challenge: An activity you wish to try that may be hard to do
• account: An advantage
• innovative: Having or using new methods or ideas
• expand: To make something larger in size, number, amount
• create: To make, cause, or bring into existence
• risk: To do something potentially dangerous or foolish
• produce: Fresh foods such as fruits and vegetables
• soil: Conditions in which something develops
• soar: (Of prices, etc.) to increase a lot in a short time
• company: Good feeling from being with someone else
• reduction: Act of making something smaller
• lot: What happens to a person in life from chance; fate
• carbon: Chemical element with an atomic number of 6
• manage: To survive hardships and difficulties; to cope
• learn: To get knowledge or skills by study or experience
• operate: To control or handle something, such as a machine
• continue: To do something without stopping, or after pausing
• public: Owned by the government
• hazardous: Involving danger, risk, and potential damages
• dispose: To get rid of by throwing away
• datum: Item of factual information
• circular: Shaped like a circle or part of a circle
• greenhouse: Greenhouse gas that makes the Earth get warmer
• reuse: To use something again