Keywords

• Action for annulment
• Judicial review.
• Principle of proportionality.
• Principle of sincere cooperation
• Impact assessment.
• Article 4(3) TEU
• Directive (EU) 2016/2284
• Reduction of national emissions of certain atmospheric pollutants
• Adoption of EU legal acts
• Course of the legislative procedure
• Actual exercise of the EU legislature’s discretion
• Sufficient assessment of the effects of the contested measure
• Article 5(4) TEU
• Article 4(2) TEU
• Equality of Member States before the Treaties
• Article 191(2) TFEU
• Environmental policy of the European Union
• Consideration of the diversity of the regions of the European Union