+Thứ 1:

There are many ways to save energy. Here are a few ideas to get you started: First, change your travel behaviour, think more in terms of public transportation, if possible, walk or ride your bicycle instead of taking the car. Second, choose products that come with lightweight packaging. Third, turn off lights and appliances when you are not using them, use energy-saving light bulbs. Finally, Use rechargeable batteries instead of disposable batteries. These are easy ways for us to save energy everyday.

+Thứ 2:

Energy is one of the most important things in our life. It is used for almost every humans' activities. However, it is limited and we should save it by doing following ways. First, we should use it more efficiently. Turn off the light and electronic devices when we don't use it. Second, use renewable energy sources. Wind, sun, nuclear power is abundant, enough for us to use for billions years. Instead of using coal and other limited resources, we can use clean and renewable sources of energy. Last, not only electricity, other kinds of energy such as water and fuel should be saved. To sum up, energy is not endless and we should reserve it for next generations.

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1.Energy is depleted due to the waste of human resources, we must protect and save together by: First, we need to turn off the electricity before leaving the room, use gas properly, at the right time. to avoid negative impact on the environment. house fire, gas explosion, gas leak,… not in the prescribed place. place. regulations, not burning forests, restricting the use of gasoline-powered vehicles to save fuel, protect the environment, and encourage people to use bicycles and buses. Finally, propaganda and calling on people to plant trees for forests. Collection of domestic waste, clean street sanitation on weekends. Joining hands for a green, clean and beautiful environment. 

2.

As we have seen, the environment is increasingly polluted by negative human actions. So what must we do to help Mother Nature. Our job is to: dispose of garbage in the right place; not burning or deforestation; reflect the behavior of discharging untreated wastewater into the environment, ... let's protect nature together.