The devastating effects of climate change on human health are widely known, from famines triggered by extreme weather to the destruction caused by hurricanes and heat waves. However, the less-discussed crisis of biodiversity loss poses equally severe threats to human health and the ecological systems we depend on.
UN Secretary-General António Guterres highlighted this issue, noting humanity's role in driving mass extinction and the self-destructive consequences. Biodiversity loss, termed a "mounting under-the-radar crisis," is evident globally, with signs like beaches covered in sargassum seaweed and fish die-offs in polluted waterways. The United Nations Environment Programme reports that biodiversity is declining faster than ever, with over 1 million species currently facing extinction.
One Health in the Amazon
The Amazon rainforest, with its unmatched biodiversity, exemplifies the threat of habitat destruction. As deforestation increases, the risk of zoonotic spillover — the transmission of diseases from animals to humans — also rises. Over 75% of emerging infectious diseases in humans originate from animal pathogens, contributing to millions of deaths annually.
Dr. Alessandra Nava, a veterinary scientist in Manaus, Brazil, leads efforts to monitor zoonotic pathogens in the Amazon. Her work with the Fiocruz Amazônia Biobank aims to track and potentially prevent future pandemics. This holistic "One Health" approach recognizes the interconnectedness of animal, human, and environmental health.
Protecting Nature for Human Health
Biodiversity loss affects human health beyond increasing disease risks. It disrupts ecological processes essential for life, such as oxygen, water, and nutrient cycles. The decline in pollinators like bees threatens agriculture, while the extinction of species foregoes potential medical breakthroughs — 70% of cancer drugs are derived from natural sources.
Moreover, nature supports mental health. Dr. Maria Neira from the WHO observed the benefits of nature in refugee camps, where growing medicinal herbs fostered community and well-being. Protecting nature is crucial for our survival, as it provides food, water, and clean air.
Solutions to Halt Biodiversity Loss
Several strategies can help restore and protect biodiversity:
Conservation and Restoration: Protecting and restoring natural habitats is vital. Healthy ecosystems, like coastal mangroves, store carbon, mitigate climate change, and protect against extreme weather impacts.
Focus on Island Nations: Islands, rich in biodiversity but highly vulnerable, need more attention and investment. Including voices from island nations in global decisions is essential.
Sustainable Practices: Shifting to sustainable agriculture, fishing, and land use can reduce ecological damage. Overfishing, pollution, and industrial activities must be managed to protect marine life and global food supplies.
Respecting Indigenous Rights: Indigenous communities have proven effective in environmental stewardship. Recognizing their land rights and incorporating their knowledge into policies can enhance biodiversity conservation.
Urgent Action Required
The global community must act swiftly to protect biodiversity. Initiatives like the "30×30" plan to safeguard 30% of Earth's land and water by 2030 are promising steps. However, immediate, meaningful actions are necessary to prevent irreversible damage, such as the potential collapse of the Amazon ecosystem into grasslands.
As António Guterres urged, “It’s time,” he declared, “to forge a peace pact with nature”, addressing the root causes of biodiversity loss — unsustainable consumption and production — to avoid the impending biodiversity apocalypse.
According to: MJ ALTMAN (unfoundation)
