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(CNN) -- Each week CNN International takes viewers around the world to meet people who are putting into practice solutions to the challenges humans are posing to the environment.
Watch for the latest Eco Solutions report from CNN each week:
• 7 a.m. Hong Kong time, every Tuesday (2300 GMT, every Monday);
• Noon Hong Kong time, every Tuesday (0400 GMT, every Tuesday) E-mail to a friend 
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