Context of Climate Change and the Need for Public Policies

The aim of this article is to analyse the context of climate change and the need for public policies from a global perspective in the aspects of degradation and impact, as well as the identification of more effective methodologies for the formulation of public policies. The method used in this article was a literature review, and information was obtained from 61 scientific articles indexed mostly in the Scopus and Dialnet databases. The results show large-scale deforestation in industrialized countries, plus 35% in the Alps, which has led to a reduction of more than 80% in the length of most Alpine glaciers. In conclusion, climate change is generating devastating effects worldwide such as rising temperatures, shrinking glaciers, water loss, deforestation and black carbon emissions, which are affecting local economies and natural resources, and water scarcity is looming in the future, which will generate a war for water resources between dominant states due to low agricultural production and food shortages.