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Step-by-step explanation:
Agenda 21 is the declaration signed by world leader in 1992 at the United nation conference on environment and development which took place at Rio de janeiro , Brazil . It ms achievance global sustainables development it is an agenda to combat environment damage poverty diseases through global cooperations on common interest mutual needs and said responsibility one major objective of the agenda 21 is that every local government should do it's on local Agenda 21.
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It is estimated that as much as 20% to 40% of Delhi's air pollution originates from Punjab farm fires. During peak burning season, Delhi experienced average PM 2.5 levels of 144 µg/m3 in November and 157 µg/m3 in December, exceeding the WHO's annual exposure guideline by more than 14 times,” the report states.