Fighting to breathe in the world's most polluted city

Fighting to breathe in the world's most polluted city

By PBS NewsHour
Unabridged
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Delhi now outranks Beijing as the world's most polluted city. Carbon dioxide, ozone and fine carbon particles get trapped over India's capital, mostly due to dirty fuels, causing long-term health consequences such as lung and heart disease. Special correspondent Fred de Sam Lazaro reports on some efforts to lessen the environmental toll on residents.