The endless search

Description

Discusses how improved water management, water conservation campaigns, and revolutionary techniques of water use can lessen the consequences of scarcity, and how technical innovations that create a stable production of fresh water out of sea water, brackish water, and even waste water are needed. Visits the Johnson Space Flight Center which is developing new technologies that may one day help us preserve water both in space and on Earth. Discusses reverse osmosis, a promising method for reducing the cost of desalination. Examines how the Japanese harvest many varieties of seaweed, and how farmers along the coast of Europe and North America may farm native sea vegetables on a larger scale in the future.

Runtime

53 min

Series

Subjects

Date of Publication

2001

Database

Alexander Street

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