Newly-weds at Tirupati Temple
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India's richest shrine goes green

Green temple: India's Tirupati Temple has adopted a range of green technologies - and the shrine is now trading carbon credits.

India is one of the world's largest producers of carbon credits. The clean development mechanism is offering an incentive of companies to innovate and find low cost green technologies.

Shilpa Kannan gets an exclusive look at how one temple in the southern Indian state of Andhra Pradesh is going green.

Special report: The Technology of Business