The Stockholm Convention on Persistent Organic Pollutants (POPs) was signed in the year-

Explanation:

• Stockholm Convention:
  • It was signed in the year 2001 and came into effect from 2004.
  • It is a multilateral environmental agreement to protect human health and the environment from persistent organic pollutants (POPs).

• Basel Convention:
  • It is an international treaty signed in 1989 and came into effect from 1992.
  • it was designed to protect human health and the environment against the adverse effects of hazardous wastes.
  • it regulated the movements of hazardous waste between nations, and specifically to prevent the transfer of hazardous waste from developed to less developed countries.
• Rotterdam Convention:
  • It was signed in the year 1998 and came into effect from 2004.
  • It is a multilateral environmental agreement to promote shared responsibilities in relation to the importation of hazardous chemicals.