When the rains arrive late in Assam, or the summers stretch longer than usual in Haryana, it’s not just farmers who take notice; snakes do too. And increasingly, they are turning up in places where we might never expect them and where they never used to be. Experts warn that snakebite risk is rising in India, and climate change is a key driver.
The country already sees close to 50,000 deaths every year from snakebites — the highest in the world, according to a recent report. Now, shifting weather patterns are pushing venomous species into new territories, putting millions more people at risk.
How Climate Change Is Shifting the Snake Map
Scientists studying India’s snakes say the link with climate change is becoming clearer. As average temperatures climb and rainfall patterns change, the habitats of venomous species are also expanding.
The so-called “Big Four” – the Indian cobra, common krait, Russell’s viper, and saw-scaled viper– are responsible for most snakebite deaths. Traditionally concentrated in central and southern India, models now show these snakes moving into northern and northeastern states. In some parts of the Northeast, suitable habitats for them could double in the coming decades, researchers report in PLOS Neglected Tropical Diseases.
For rural communities, this shift is more than an ecological curiosity. Farmers in Assam or Meghalaya, who rarely encountered these species before, may suddenly find them in their fields. “Climate change is creating new overlaps between humans and snakes,” conservationist Romulus Whitaker has noted, warning of a public health crisis in the making.
Snakebite Deaths in India (Big Four Venomous Snakes): Urban vs Rural
Category |
Estimated Share of Total Snakebite Deaths |
Notes |
|---|---|---|
Rural Areas |
Approximately 94–97% |
Nearly all snakebite fatalities occur in rural regions, as indicated by multiple population studies. (scientificdiscovery.devSchool of Biomedical Sciences) |
Urban Areas |
Approximately 3–6% |
Remaining deaths take place in urban settings. Not specifically quantified in many studies. |
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What Can India Do To Protect People?
What can India do to fight this growing danger? Solutions do exist, but they need scale and urgency. Experts suggest a mix of healthcare reforms, local initiatives, and better awareness as solutions.
Local Antivenom
In Kerala, Forest Minister A.K. Saseendran recently announced that the state is producing its own antivenom. The results are dramatic; deaths have dropped from 119 in 2019 to just 30 in 2024.
Community Knowledge
The Irula Snake Catchers’ Cooperative, founded by Whitaker, supplies around 80% of India’s venom for antivenom. Beyond science, it provides livelihoods for tribal families like that of Masi Sadaiyan, awarded the Padma Shri in 2023.
Tech and Rescue
The Sarpa app links bite victims to trained rescuers and hospitals in real time, cutting down delays that often prove fatal.
Awareness Campaigns
Doctors at RMLIMS, Lucknow, warn that traditional methods like cutting wounds, applying herbs, or tying limbs often worsen outcomes. Many of India’s 49,000 annual deaths are caused not just by venom, but by lost time.
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The Bottom Line
There is no doubt that snakebite risk is rising in India. Climate change is altering ecosystems, and snakes are adapting faster than public health systems. Yet the tools to prevent this silent epidemic are already within reach: regionally produced antivenom, empowered tribal communities, digital rescue apps, and clear education campaigns.
Our challenge is to move from isolated success stories to a nationwide strategy. If India fails to act, the creeping expansion of snake habitats could quietly turn into one of the country’s deadliest climate-linked crises.
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