The environmental consequences of climate change are well known. The rise in the sea-level, increasing temperatures and more extreme weather events, increased droughts, flooding, and wildfires are impacting human health and lives. Temperature and humidity are the most consistent associations with infectious diseases and respiratory, cardiovascular, and neurological outcomes. Temperature is also directly related to mortality and healthcare service use.1-3 The most important cause of global warming is the emissions of greenhouse gases in the atmosphere, mainly carbon dioxide (CO2). The last year (2023) the amount of CO2 production in the world (fossil origin), was the largest.4 [...]