WHO tightens global air quality norms
The Hindu
Move doesn’t immediately impact India as its norms don’t meet WHO’s existing standards
The World Health Organisation (WHO) in its first-ever update since 2005 has tightened global air pollution standards in a recognition of the emerging science in the last decade that the impact of air pollution on health is much more serious than earlier envisaged.
The move doesn’t immediately impact India as the National Ambient Air Quality Standards (NAAQS) don’t meet the WHO’s existing standards. The government has a dedicated National Clean Air Programme that aims for a 20% to 30% reduction in particulate matter concentrations by 2024 in 122 cities, keeping 2017 as the base year for the comparison of concentration. These are cities that don’t meet the NAAQS when calculated from 2011-2015.
Nearly 50% of Dakshina Kannada’s shoreline has been eroded, the highest among the three coastal districts of Karnataka, according to a study for the period 1990-2018 by the National Centre for Coastal Research (NCCR).
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