For the purposes of establishing the degree to which an investment is environmentally sustainable, an economic activity shall qualify as environmentally sustainable where that economic activity:
(a) contributes substantially to one or more of the environmental objectives set out in Article 9 in accordance with Articles 10 to 16;
(b) does not significantly harm any of the environmental objectives set out in Article 9 in accordance with Article 17;
(c) is carried out in compliance with the minimum safeguards laid down in Article 18; and
(d) complies with technical screening criteria that have been established by the Commission in accordance with Article 10(3), 11(3), 12(2), 13(2), 14(2) or 15(2).