Which of the following is included in the Central Government’s power under Section 3(2)(ii) of the…

Section 3(2)(ii) of the Environment (Protection) Act specifically concerns "Planning and execution of a nation‑wide programme for the prevention, control and abatement of environmental pollution". "Laying down standards for the quality of the environment in its various aspects", "Collection and dissemination of information in respect of matters relating to environmental pollution" and "Carrying out and sponsoring investigations and research relating to problems of environmental pollution" are separate powers in other clauses of section 3(2).