India, Oct. 16 -- The Supreme Court's order allowing the sale and bursting of so-called green firecrackers in Delhi (and the National Capital Region), during designated days and within specified time windows, signals a conditional relaxation of the blanket ban on firecrackers in the national capital. The onus is now on the Delhi government, which had sought a relaxation of the ban on grounds of "public sentiments", and the Delhi Police (under the Union government, which too supported the move) to enforce the order not just in letter but in spirit as well. The level of pollutants emitted from these firecrackers is relatively lower than the regular ones, but it is still quite high. Given the scale at which Diwali fireworks take place in the...