the making, buying, and selling of goods and services
In March 2007, more than two million people in Sydney, Australia, turned off the lights in their businesses and homes for one hour.
drive
to cause the movement of a vehicle
Millions of cars are driven every day.
fuel
matter used to create power
This large need for fuel means the Earth’s energy sources are quickly decreasing.
globe
planet Earth
Soon, news of the event spread across the entire globe.
inform
to give knowledge
So, some people have joined together to inform others and to decrease energy use.
join
to bring together
So, some people have joined together to inform others and to decrease energy use.
know
to understand something
The event became known as Earth Hour.
participate
to take part in something
The next year, more than 50 million people across 35 countries participated in Earth Hour.
positive
emphasizing the good parts
Children and adults also vow to make other positive changes to protect the environment.
problem
something that is difficult to deal with
The problem is growing at a fast rate.
promise
a statement saying you will or will not do a thing
For example, some people make a promise to recycle plastics.
rate
a set speed
The problem is growing at a fast rate.
recycle
to reuse something
For example, some people make a promise to recycle plastics.
vow
to make a commitment to something
Children and adults also vow to make other positive changes to protect the environment.
waste
to consume something
Still more people try to reduce the amount of water they waste.
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