1-The Portuguese State undertakes to achieve climate neutrality by 2050, which translates into a neutral balance between greenhouse gas emissions and the sequestration of these gases by the various sinks. 2- Notwithstanding the provisions of the previous number, the Government is studying, until 2025, the anticipation of the climate neutrality target, with a view to the commitment to climate neutrality by 2045 at the latest. 3-Climate policy is developed based on knowledge and a rigorous assessment based on the precautionary principle regarding the prospects of climate change in the short, medium and long term, and its impact on the lives of citizens, on economic, social and cultural activities and in the environment.