Climate change is more than just an environmental issue; it’s a significant economic challenge. Economist Andrea Titton’s research points out how climate disasters can disrupt supply chains, potentially costing the global economy trillions. He argues that preparing now will save money in the long run compared to waiting for a tipping point. Titton will present his PhD thesis at the University of Amsterdam on October 2.
Climate disasters are no longer rare; they are becoming increasingly common. Titton emphasizes that whether we like it or not, we will face the financial consequences of climate change. The longer we wait to act, the more expensive the consequences will be.
What sets Titton apart from other economists is his approach. Instead of analyzing the aftermath of disasters, he explores how economies can prepare for impending climate risks. “Everyone thinks about the economy reacting after a disaster,” he explains. “I focus on how societies get ready—or fail to get ready.”
Titton developed mathematical models that combine climate forecasts with economic behavior. He believes current economic models, originally designed for stable conditions, do not suit our unpredictable climate reality. “I aimed to create a model that reflects today’s challenges,” he says.
In his research, Titton examined the economic impacts of climate disasters in three key areas:
- Firms and Supply Chains: Climate events, like hurricanes or droughts, often strike multiple locations simultaneously, disrupting many suppliers. This can lead to significant economic losses. Titton’s findings show that companies tend to under-diversify their supply chains, increasing vulnerability.
- Climate Tipping Points: Sudden shifts, such as thawing permafrost releasing methane, could escalate global warming quickly. Titton warns that the costs from these tipping points could reach up to €2.4 trillion annually.
- International Policy: Wealthier regions might exploit their lower risk levels by shifting emissions reduction responsibilities onto poorer regions, limiting their growth potential.
The overall message is that a warming climate not only requires cooperation but may also fracture economic stability. Low preparation can make economies even more fragile.
Titton’s conclusion is straightforward: precaution is more economical than risk. “Every little mistake in dealing with climate change can lead to huge costs,” he advises. These insights could guide governments and policymakers in assessing the importance of timely investments in climate action versus the risky gamble of inaction.
Recent studies support Titton’s findings. A 2021 report from the Intergovernmental Panel on Climate Change (IPCC) warned that without urgent action, the economic toll of climate change could surpass expectations. This aligns with Titton’s view that investing now is a better strategy than waiting for disasters to happen.
As we look at the patterns of economic response to climate change, it becomes clear that the stakes are high, and the need for early action is urgent. Ignoring the signs of climate change could lead to dire financial consequences for everyone.

