Vocabulary

• rely on: To depend on someone or something
• at least: As a minimum
• yes and no: An ambivalent or uncertain answer; a response that is neither a clear affirmation nor a clear denial.
• thanks to: Because of; as a result of.
• on earth: Used to emphasize a question expressing surprise or anger.
• as well as: Also; in addition to
• meet the demand: To supply enough of something that people want or need.
• after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
• on average: Typically; usually; based on an average calculation.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• threat to: A person or thing likely to cause damage or danger.
• step to: To approach someone or something, often with a specific purpose.
• have to: Must do
• around the world: In or to many countries.
• come from: To have as your native country or city
• sign up to: To register for something, like a service or a course.
• gain access: To obtain the ability or right to enter or use something.
• equivalent: Equal to something in value, use or meaning
• experience: Thing a person has done or that happened to them
• potentially: That could happen or become reality
• infrastructure: Basic necessary equipment for a country or region
• extreme: Very great in degree
• consume: To eat, drink, buy or use up something
• consumption: The act of buying and using products
• demand: Desire customers have to buy product, service
• diverse: Being varied or different from each other
• estimate: Guess or calculation of cost, size or value
• drain: Hole or pipe that water, waste etc. flows into
• accessible: Able to be entered, reached or used
• affect: To cause a change in something else
• predict: To guess or estimate what will or might happen
• sustain: To lengthen or continue to do something
• remain: To be left behind; to continue to exist
• require: To demand that someone does something
• population: Number of people who live in a country, area etc.
• raise: To increase a bet above another when playing cards
• adopt: To legally take a child into your family
• rapidly: With great speed; quickly
• threat: Warning of probable trouble
• breed: Kind of / sort of
• planet: One of the bodies that orbit the sun
• household: Being in everyday use; common
• humanity: Quality of being understanding or sympathetic
• pace: Rate of speed at which something moves or happens
• throw: To use your arm to make something fly in the air
• empty: Containing nothing; with no contents
• rely: Depend on with full trust or confidence
• appear: To be seen, become visible; come into sight
• crop: Plants grown on a farm for food, e.g. corn or rice
• livestock: Any animals kept for use or profit
• scarcity: Very small or limited amount of something
• necessity: Something that you must have or do
• suit: To be appropriate for a given situation
• finite: Having limits; lasting for a limited time
• question: To ask for or try to get information
• ingenious: Very good at making things or solving problems
• footprint: Mark left by a foot of an animal or human
• pump: To make liquid or gas flow in a particular direction
• bleak: Desolate and colorless; without much hope
• hide: To go to, or put a thing where it can't be found
• pose: To be or exist as (a problem, threat etc.)
• vegetarian: Being made from vegetables and not having any meat
• evenly: Equally; with advantage to both sides
• startling: So remarkably different or sudden as to shock
• cover: To record a different version of another song
• deplete: To reduce the amount, strength or number of
• lose: To be unable to keep in check or control something
• permafrost: Ground that is permanently frozen
• earth: Wire connecting an electrical device to the ground
• thirst: Powerful desire or need for e.g. knowledge
• run: To depart or travel according to a schedule
• planetary: Concerning the orbital characteristics of a planet
• surprising: To do something that another person didn't expect
• unsustainable: That cannot be kept up or continued
• year: Unit of time equal to 12 months or 365 or 366 days
• day: A period of 24 hours beginning at midnight
• vapour: Droplets of liquid spread thinly in air
• freshwater: Water that is not salty
• saltwater: Water containing salts such as the ocean