Complex sentence: With its overall aim to develop cross-cutting sustainability competencies in learners, ESD is an essential contribution to all efforts to achieve the SDGs, enabling individuals to contribute to sustainable development by promoting societal, economic and political change as well as by transforming their own behaviour.
Split into simpler sentences: With its overall aim to develop cross-cutting sustainability competencies in learners, ESD is an essential contribution to all efforts to achieve the SDGs. This would enabe individuals to contribute to sustainable development by promoting societal, economic and political change as well as by transforming their own behaviour.