知识世界

Environment:Treasure Trove

The world ocean is rich not only with the chemicals that are the stuff of life， but with a remarkable array of plants， animals and other resources. The vast majority of oil and natural gas deposits were formed from marine sediments， and trapped in marine sediments. So economically they provide one of the basis of our civilization.

• 01

  Environment： The Infinite Voyage —— Crisis in the Atmosphere

  
• 02

  Environment： Thirsty Planet（1）

  
• 03

  Environment： Waves in the Ocean

  
• 04

  Environment： Ice Worlds: Life at the Edge

  
• 05

  Environment： Something in the Air

  
• 06

  Environment： Building Blocks

  
• 07

  Environment： The Pond - Community Ecology in Action

  
• 08

  Environment： The Endless Voyage — Survivors

  
• 09

  Environment： The Nature of Things——The Living City

  
• 10

  Environment： It's in the Water