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Natural Disasters - National Geographic
Follow Show World’s Worst Natural Disasters loading... Natural disasters prove the amazing power Mother Nature beholds. Anything created by humanity, and even humanity itself, can be destroyed by nature. Striking with little warning, hurricanes are among the most powerful natural disasters because ...
AP ES-034 Global Climate Change — bozemanscience
Paul Andersen explains how the climate on the earth is affected by the amount of solar radiation and the greenhouse affect. The addition of anthropogenic greenhouse gases has led to global warming which is impacting humans on the planet.
Climate Change: Climate Resource Center - Video: How ...
Skeptics of manmade climate change offer various natural causes to explain why the Earth has warmed 1.4 degrees Fahrenheit since 1880. But can these account for the planet’s rising temperature? Watch to see how much different factors, both natural and industrial, contribute to global warming ...
How to green the world's deserts and reverse climate change.
In this segment from TED, Allan Savory talks about how the world's deserts seem to be spreading and overtaking two-thirds of the world's grasslands through desertification.
James Hansen: Why I must speak out about climate change ...
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.
Allan Savory: How to fight desertification and reverse ...
"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos.
氣候變化短片 - weather.gov.hk
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