結果 : what should be done to prevent air pollution by factories
0:28

Solution to Reduce Air Pollution

The Economic Times
49,206 回視聴 - 8 年前
0:50

5 Ways to Reduce Traffic Related Air Pollution

Environment and Climate Change Canada
48,715 回視聴 - 3 年前

-
3:53

Air Pollution 101 | National Geographic

National Geographic
12,780,446 回視聴 - 7 年前
4:48

Air Pollution | #aumsum #kids #science #education #children

It's AumSum Time
3,927,215 回視聴 - 9 年前
6:10

Air Pollution | What Causes Air Pollution? | The Dr Binocs Show | Kids Learning Videos|Peekaboo Kidz

Peekaboo Kidz
1,835,531 回視聴 - 4 年前

-
3:36

Air Pollution: How It Affects Us, Prevention and Treatment.

Medical Centric
95,547 回視聴 - 2 年前
1:38

How it Works – Air Pollution Control for Incineration at the Metro Plant

Metropolitan Council
51,451 回視聴 - 6 年前
2:11

Air pollution from factories and vehicles linked to worse outcomes for patients with lung disease

Medical Dialogues
569 回視聴 - 2 年前
1:05

Air Pollution Control District says air quality violations against companies are common

WLKY News Louisville
65 回視聴 - 1 日前
1:55

How to Protect Yourself From Air Pollution

Gadgets 360
79,163 回視聴 - 8 年前
7:45

Air pollution 101- Breathing deadly air

Let's Learn Public Health
644,001 回視聴 - 7 年前
7:05

Air Pollution for Kids | Learn about the Causes and Effects of Air Pollution

Learn Bright
281,663 回視聴 - 3 年前
7:22

Air Pollution Causes Effects and Prevention | Air Pollution Prevent and Control Measures | Science

TutWay
40,222 回視聴 - 2 年前
2:05

Air, Water and Land Pollution

Next Generation Science
139,340 回視聴 - 1 年前
6:26

How walls of moss could help reduce urban air pollution - BBC News

BBC News
67,961 回視聴 - 1 年前
2:08

How Can We Stop Pollution?

Gresham College
76,273 回視聴 - 5 年前
1:52

Air quality in China: Pollution levels down by 42% over the past ten years • FRANCE 24 English

FRANCE 24 English
26,216 回視聴 - 1 年前
1:19

WHO: Breathe Life - How air pollution impacts your body

World Health Organization (WHO)
436,772 回視聴 - 6 年前
15:02

Delhi Air is KILLING YOU | Who is responsible for Delhi's AIR POLLUTION? | Abhi and Niyu

Abhi and Niyu
1,549,650 回視聴 - 1 年前
2:02

Stanford researchers develop new filter to combat air pollution

Stanford
77,073 回視聴 - 9 年前