Showing 24 of 73 videos
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In this experiment, PM2.5 and carbon monoxide levels in a room are tested before and after the lighting of a cigarette.

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1:07

How serious is the pollution caused from smoking two cigarettes in a row?

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1:01

Cigarette smoke and car exhaust go head to head in carbon monoxide and air pollution level comparisons.

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0:59

A car is pulled into a closed garage. What will be the effects of air pollution?

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1:05

What are the PM2.5 and carbon monoxide levels for a cigarette smoked inside a car?

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1:28

Have you ever thought about growing and raising your own food? That is what C is doing. Let's hear his story.

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1:23

At first, farmers in the new area didn't trust C's farming method. In order to convince them, C took the farmers on a tour of one of his farms.

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1:49

While many consider the world Mother Earth, C has a different thought about this: As the land is our child, we must take good care of it.

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1:19

A pefumer describes the features of his exquisite home.

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0:55

In this video, we demonstrate how to properly wear, remove and dispose of a medical mask.

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1:44

A Beijing Television segment on the types of masks to use during the COVID-19 epidemic.

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1:57

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains the effectiveness of a disposable medical mask.

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1:36

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains which masks should be used under which situations.

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1:02

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains which masks are ineffective against COVID-19.

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1:39

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest discusses what is dubbed "the selfish mask."

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1:29

Can you imagine not using anything plastic related for a whole week? Doing so may actually be much harder than you think!

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1:13

Ordering takeout while trying to eliminate one's use of plastic is no easy task.

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Even though we are taught that we should separate plastics so that we can recycle them, in reality, not all plastics are recyclable.

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1:20

It's very sad to see what we humans are doing to the Earth. Little things can accumulate and turn into big problems.

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0:58

Some countries have tried to reduce waste production by reducing the number of trashcans. Perhaps this would be a more effective method if people did not just throw trash onto the street.

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0:54

Although it's probably impossible to eliminate plastic use completely, we should try our best to contribute to helping save the environment.

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3:50

Faced with such serious smog and haze, a reporter from Henan speaks with residents about PM 2.5 masks that are useful for blocking dust and smog. A doctor is also interviewed about the effectiveness of such masks and how residents can prevent diseases caused by smog in their daily lives.

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