NASA | Earth's Water Cycle
5:53
YouTubeNASA Goddard
NASA | Earth's Water Cycle
Water is the fundamental ingredient for life on Earth. Looking at our Earth from space, with its vast and deep ocean, it appears as though there is an abundance of water for our use. However, only a small portion of Earth's water is accessible for our needs. How much fresh water exists and where it is stored affects us all. This animation uses ...
已浏览 86.3万 次2012年8月3日
Water Pollution: Causes and Effects
Causes and effects of water pollution - Sustainability | ACCIONA
1:17
Causes and effects of water pollution - Sustainability | ACCIONA
YouTubeACCIONA
已浏览 81.4万 次2017年3月14日
Water pollution: a serious threat to human health and the ecosystems
2:29
Water pollution: a serious threat to human health and the ecosystems
YouTubeFood and Agriculture
已浏览 3570 次2018年6月19日
107. Effects OF Industrial Waste Disposal In The Environment
14:25
107. Effects OF Industrial Waste Disposal In The Environment
YouTubeSHK SMKBJa
已浏览 3487 次2016年10月10日
短视频
Rivers at risk - Water crisis on four continents | DW Documentary
1:29:48
已浏览 122.2万 次
Rivers at risk - Water crisis on four continents | DW Documentary
DW Documentary
How To Clean Up The World’s Most Polluted Rivers
14:00
已浏览 111.9万 次
How To Clean Up The World’s Most Polluted Rivers
CNBC
热门视频
Properties of Water For Kids | Science | Tutway
6:36
Properties of Water For Kids | Science | Tutway
YouTubeTutWay
已浏览 16.9万 次2019年6月18日
Water Pollution for Kids | Learn How to Keep Our Water Clean
7:22
Water Pollution for Kids | Learn How to Keep Our Water Clean
YouTubeLearn Bright
已浏览 76.8万 次2021年11月23日
Why water is necessary in our body | Why do we drink water? | Importance of water | Video for kids
3:35
Why water is necessary in our body | Why do we drink water? | Importance of water | Video for kids
YouTubelearning junction
已浏览 34.4万 次2021年3月24日
Water Pollution Solutions: How We Can Help
Water Pollution and How We Can Reduce It!
2:10
Water Pollution and How We Can Reduce It!
YouTubeNext Generation Science
已浏览 12.8万 次2022年11月6日
Water from air - new technologies to combat drought
Water from air - new technologies to combat drought
YouTubeRAZOR Science Show
已浏览 2.2万 次2021年1月21日
What Do Community Water Initiatives Do About Contamination? - Water Science For Everyone
2:46
What Do Community Water Initiatives Do About Contamination? - Water Science For Everyone
YouTubeWater Science For Everyone
1 个月前