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Renewable Energy 101 | National Geographic


around the world renewable energy use is

around the world renewable energy use is on the rise and these alternative energy

on the rise and these alternative energy

on the rise and these alternative energy sources could hold the key to combating

sources could hold the key to combating

sources could hold the key to combating climate change what is renewable energy

climate change what is renewable energy

climate change what is renewable energy renewable energy is generated from

renewable energy is generated from

renewable energy is generated from sources that naturally replenish

sources that naturally replenish

sources that naturally replenish themselves and never run out the most

themselves and never run out the most

themselves and never run out the most common sources are solar wind hydro

common sources are solar wind hydro

common sources are solar wind hydro geothermal and biomass over 80% of the

geothermal and biomass over 80% of the

geothermal and biomass over 80% of the total energy consumed by humans is

total energy consumed by humans is

total energy consumed by humans is derived from fossil fuels

derived from fossil fuels

derived from fossil fuels however renewables are the fastest

however renewables are the fastest

however renewables are the fastest growing source of energy in the world

growing source of energy in the world

growing source of energy in the world renewable energy has many benefits first

renewable energy has many benefits first

renewable energy has many benefits first it can combat climate change because it

it can combat climate change because it

it can combat climate change because it creates no direct greenhouse gas

creates no direct greenhouse gas

creates no direct greenhouse gas emissions the only emissions that they

emissions the only emissions that they

emissions the only emissions that they produce are indirect meaning those that

produce are indirect meaning those that

produce are indirect meaning those that result from manufacturing parts

result from manufacturing parts

result from manufacturing parts installation operation and maintenance

installation operation and maintenance

installation operation and maintenance but even those are minimal second

but even those are minimal second

but even those are minimal second renewable energy can decrease pollution

renewable energy can decrease pollution

renewable energy can decrease pollution and therefore reduce threats to our

and therefore reduce threats to our

and therefore reduce threats to our health wind solar and hydroelectric

health wind solar and hydroelectric

health wind solar and hydroelectric systems create no air pollution

systems create no air pollution

systems create no air pollution emissions and geothermal and biomass

emissions and geothermal and biomass

emissions and geothermal and biomass energy systems emissions are much lower

energy systems emissions are much lower

energy systems emissions are much lower than non-renewable energy sources

than non-renewable energy sources

than non-renewable energy sources third renewable energy is a reliable

third renewable energy is a reliable

third renewable energy is a reliable source of power because renewable energy

source of power because renewable energy

source of power because renewable energy sources are well renewable they will

sources are well renewable they will

sources are well renewable they will never run out once built renewable

never run out once built renewable

never run out once built renewable facilities cost very little to operate

facilities cost very little to operate

facilities cost very little to operate and the fuel is often free as a result

and the fuel is often free as a result

and the fuel is often free as a result renewable energy prices tend to be

renewable energy prices tend to be

renewable energy prices tend to be stable over time while renewable energy

stable over time while renewable energy

stable over time while renewable energy has many advantages it is not without

has many advantages it is not without

has many advantages it is not without downsides it is difficult for renewable

downsides it is difficult for renewable

downsides it is difficult for renewable energy sources to generate power on the

energy sources to generate power on the

energy sources to generate power on the same large scale as fossil fuels

same large scale as fossil fuels

same large scale as fossil fuels building wind farms and dams can disrupt

building wind farms and dams can disrupt

building wind farms and dams can disrupt wildlife and migration patterns and lead

wildlife and migration patterns and lead

wildlife and migration patterns and lead to ecological destruction both solar and

to ecological destruction both solar and

to ecological destruction both solar and wind energy are intermittent they only

wind energy are intermittent they only

wind energy are intermittent they only generate power while the sun is shining

generate power while the sun is shining

generate power while the sun is shining or while the wind is blowing batteries

or while the wind is blowing batteries

or while the wind is blowing batteries can store excess energy for later use

can store excess energy for later use

can store excess energy for later use however they are often costly while

however they are often costly while

however they are often costly while renewable energy presents some

renewable energy presents some

renewable energy presents some challenges

challenges

challenges it also offers an environmentally

it also offers an environmentally

it also offers an environmentally friendly alternative to the greenhouse

friendly alternative to the greenhouse

friendly alternative to the greenhouse gas emissions and pollution of fossil

gas emissions and pollution of fossil

gas emissions and pollution of fossil fuels

fuels

fuels and as advances in technology make

and as advances in technology make

and as advances in technology make renewable energy more accessible

renewable energy more accessible

renewable energy more accessible affordable and efficient an end to

affordable and efficient an end to

affordable and efficient an end to climate change could be within our reach

climate change could be within our reach

climate change could be within our reach [Music]

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