Vocabulary

• have to: Must do
• at this rate: If things continue as they are now.
• over time: Gradually; as time passes.
• energy sources: Materials or processes that can produce energy.
• for now: Temporarily; for the present time.
• in the way: Obstructing someone or something; hindering progress.
• in areas: Located or occurring within specific regions or locations.
• such as: For example; like
• based on: To use something as the foundation or starting point for something else.
• in principle: In theory; as a general idea, though not yet in practice or detail.
• around the world: In or to many countries.
• present: Being in attendance; being there; having turned up
• scale: Size, level, or amount when compared
• tackle: To start working on a difficult problem
• infrastructure: Basic necessary equipment for a country or region
• flip: To turn your body in the air, as in gymnastics
• consume: To eat, drink, buy or use up something
• complex: Group of buildings all used for the same purpose
• diverse: Being varied or different from each other
• drastically: In a sudden, extreme or severe manner
• estimate: Guess or calculation of cost, size or value
• fuel: To give power to (a mob, anger, etc.); incite
• portion: Serving of food that is intended for one person
• accessible: Able to be entered, reached or used
• innovation: Process of creating new ideas or inventions
• blast: To attack someone with words
• require: To demand that someone does something
• leap: To enter or start something eagerly
• involve: To have or be included as a part of something
• principle: Moral rule or belief governing a person's behavior
• generate: To create or be produced or bring into existence
• challenge: An activity you wish to try that may be hard to do
• manner: The way a person acts, talks, or behaves
• scientific: Concerning academic study of the physical world
• advance: Forward movement by an army
• optimistic: Tending to believe the future will be good
• capture: To attract and hold e.g. interest, attention
• harness: To capture the power of something
• invest: To use resources to build for the future
• abundant: Being in very great supply; plentiful
• competitive: Being strongly driven to win or be better than
• produce: Fresh foods such as fruits and vegetables
• fossil: Plant or animal that became rock after many years
• depend: Be controlled or determined by (someone/something)
• solely: With no one or nothing else
• astronomical: Extremely large or high
• system: Set of organized, planned ideas that work together
• promise: To say you will certainly do something
• transportation: Act of moving people or goods between places
• usage: Amount something is used
• solar: Concerning the sun, or its heat
• ample: (Of quantity, amount) more than enough
• density: Degree to which an area is filled or covered
• renewable: Being able to be replaced naturally
• atlantic: Of the ocean between Africa and the Americas
• world: All the humans, events, activities on the earth
• problem: Something difficult to deal with or causes trouble
• geothermal: Sourcing heat from the center of the Earth
• gasoline: Liquid we put in cars to make them run
• earth: Wire connecting an electrical device to the ground
• lithium: Soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
• politic: Careful what you say; diplomatic
• cost: A loss or damage occurring when meeting a goal
• need: To be unable to manage without something; require
• power: Legal or official right to perform certain actions
• cool: Steady and calm when facing difficulties
• ion: Atoms with either a positive or negative charge
• high: Excited or relaxed from taking drugs
• dissipation: Bad or immoral living, e.g. drinking
• superconductor: Material allowing electrons to pass through easily