[Climate change and its impact on human health]

Area of Science:

• Environmental Health
• Public Health
• Climate Science

Background:

• Greenhouse gas levels are at a three-million-year high, driving significant environmental changes.
• Climate change manifests as rising sea levels, extreme weather events (heatwaves, wildfires, floods), and temperature increases.
• These environmental shifts directly impact human health, leading to mortality, trauma, and chronic diseases.

Purpose of the Study:

• To outline the multifaceted health impacts of climate change.
• To highlight the increasing urgency of climate-related health risks.
• To emphasize the need for adaptation and mitigation strategies within the healthcare sector and beyond.

Main Methods:

• Review of current climate change impacts on health.
• Analysis of altered infectious disease patterns.
• Identification of vulnerable populations and associated risks.
• Assessment of necessary policy and healthcare system responses.

Main Results:

• Climate change causes mortality, trauma, and non-communicable diseases through extreme weather events.
• Infectious disease patterns are shifting, with increased Vibrio infections and expanded ranges for vectors like ticks and mosquitoes in Sweden.
• Vulnerable groups including outdoor workers, children, the elderly, and those with chronic illnesses are disproportionately affected.

Conclusions:

• Urgent, multidisciplinary research and proactive policies are essential to manage climate-related health risks.
• Healthcare systems must adapt to changing disease patterns and prepare for climate-related health emergencies.
• The healthcare sector has a responsibility to reduce its carbon footprint to mitigate climate change.