Renewable Energy - TED-Ed

This __________ scale of fossil fuel dependence pollutes the Earth and it won't last forever.

• insignificant

• hefty

• slight

• massive

Scientists estimate that we've __________ about 40% of the world's oil.

• conserved

• consumed

• rejected

• diverted

On the flip side, we have __________ sun, water, and wind.

• abundant

• limited

• renewable

• dependent

What if we could exhange our fossil fuel dependence for an existence based __________ on renewables?

• practically

• barely

• exclusively

• solely

For decades, we've __________ how to end our dependency on fossil fuels.

• required

• based on

• pondered

• involved

Global energy use is a(n) __________ and complex system.

• multifaceted

• efficient

• competitive

• diverse

Electricity powers all __________ of things in homes, businesses, and manufacturing.

• understanding

• situation

• scale

• manner

Liquid fuels play a __________ role in almost all forms of transportation.

• advanced

• crucial

• abundant

• maximize

There is a(n) __________ supply of solar energy provided by the sun.

• continuous

• renewable

• populated

• ample

There are other __________ in the way, like efficiency and energy transportation.

• hurdles

• estimates

• demands

• limits