1.
Member States and managing authorities shall, in all phases of implementation, ensure the full mainstreaming of sustainable development into the ESI Funds, respecting the principle of sustainable development as laid down in Article 3(3) TEU, as well as complying with the obligation to integrate environmental protection requirements pursuant to Article 11 TFEU and the polluter pays principle as set out in Article 191(2) TFEU. Managing authorities shall undertake actions throughout the programme lifecycle, to avoid or reduce environmentally harmful effects of interventions and ensure results in net social, environmental and climate benefits. Actions to be undertaken may include the following: directing investments towards the most resource-efficient and sustainable options; avoiding investments that may have a significant negative environmental or climate impact, and supporting actions to mitigate any remaining impacts; taking a long-term perspective when 'life-cycle' costs of alternative options for investment are compared; increasing the use of green public procurement.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.