Vocabulary

• have to: Must do
• in the air: Present or circulating in the atmosphere.
• think about: To consider something carefully.
• in order to: For the purpose of; with the aim of.
• cut down: To reduce your use of something
• back out: To say you will now not do something you promised
• thanks to: Because of; as a result of.
• think of: To look on as (being something specific); consider
• no matter: Regardless of; it does not matter.
• see in: To accompany someone to the entrance of a building or room.
• on the order of: Approximately; about a certain amount or number.
• depending on: To rely on for support (financial or emotional)
• in part: To some extent; partially.
• step back: To move backwards; to move away from something.
• in the first place: To begin with; as the first point or consideration.
• at least: As a minimum
• out of it: Unconscious or not completely alert; dazed or confused.
• allow for: To take into consideration
• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• in addition to: Besides; as well as
• to the moon: Increasing quickly and significantly, often in value or excitement.
• per year: For each year; annually.
• look at: To use your eyes to focus on something
• add up to: To amount to a particular sum or total.
• take in: To allow to enter; receive as a guest
• in terms of
• work in: To make an opening for something in your schedule
• for instance: As an example.
• work on: To devote effort to improve or develop something
• as well as: Also; in addition to
• absolutely: Completely; totally; very
• approach: To get close to reaching something or somewhere
• significant: Large enough to be noticed or have an effect
• material: Cloth; fabric
• enormous: Huge; very big; very important
• grab: To take and hold something quickly
• crisis: Unstable situation of extreme danger or difficulty
• scale: Size, level, or amount when compared
• impact: A striking effect or result to hit with force
• negative: The opposite to a positive electrical charge
• develop: To explain something in steps and in detail
• solid: Being able to be trusted; reliable
• climate: Typical weather conditions in a particular place
• separate: Being different from or unrelated to another
• imagine: To think creatively about; form mental picture of
• capable: Being able to do something very well; proficient
• commercial: Radio or television advertisement
• research: To study in order to discover new ideas and facts
• fuel: To give power to (a mob, anger, etc.); incite
• bit: Device put in a horse's mouth to control it
• clever: Funny in a way that shows intelligence
• excess: Amount that is more than necessary or over a limit
• synthetic: Not natural; made from artificial materials
• permanently: For a long time; always
• capture: To attract and hold e.g. interest, attention
• produce: Fresh foods such as fruits and vegetables
• company: Good feeling from being with someone else
• carbon: Chemical element with an atomic number of 6
• order: Religious or social group, as of nuns
• continue: To do something without stopping, or after pausing
• build: Your physical shape; physique
• optimize: To make as effective as possible
• natural: Being as one would expect; being usual or normal
• bring: To take or go with someone to a place
• dilute: To make something weaker or less efficient
• pull: Act of breathing in smoke, as from a pipe
• thermostat: Instrument that controls temperature in buildings
• pack: Bag carried on the back of donkey, etc.
• land: Region or country
• product: Item that can be bought
• pollution: Dangerous substances released into an environment
• polar: Concerning the areas near the North or South poles
• engineering: The practical application of science to industry
• gallon: Unit of liquid equal to 4 US quarts (3.785 liters)
• disillusion: State of having lost belief in or hope
• trucking: To transport something on a lorry, van