知识世界

Environment:Thirsty Planet（1）

For millions of years， civilisation's most important resource has lain deep under this desert. In the struggle to control an ever-diminishing supply， engineers stop at nothing to exploit the last reserves. Water – indispensable for agriculture – has become a precious commodity. But we're wasting incredible amounts of it.

• 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： The Pond - Community Ecology in Action

  
• 06

  Environment： Something in the Air

  
• 07

  Environment： Building Blocks

  
• 08

  Environment： The Endless Voyage — Survivors

  
• 09

  Environment： The Nature of Things——The Living City

  
• 10

  Environment： It's in the Water