Asia floods cause $20 billion in losses, expose rising climate threats to supply chains

Southeast Asia is highly exposed to floods, but weak funding and governance slow adaptation — and the shock will travel through global supply chains. (Photo: iStock)

Severe floods across parts of South and Southeast Asia since November have killed more than 1,400 people, caused at least USD 20 billion in losses, and disrupted global supply chains. Experts are calling for funding mechanisms that support both frontline communities and the critical sectors that anchor regional supply chains.

Tropical cyclones colliding with the northeast monsoon brought decades-high rainfall and widespread damage from Indonesia to Sri Lanka. Scientists say climate change likely intensified the floods, with deforestation, weak flood defenses, and underfunded resilience efforts deepening the impacts.

Weak funding and poor governance slow adaptation 

Adapting to climate impacts is rising on policy agendas, but financing remains far short of need. Southeast Asia requires roughly USD 20 billion in adaptation funding annually yet receives only around USD 2.5 billion, according to a September report from Climate Policy Initiative.

The Philippines illustrates the challenge. Despite heavy investment in flood control, Greenpeace estimates up to USD 19.1 billion in climate funds may have been lost to corruption or projects that were never built, leaving communities exposed. Manila passed the Imminent Disaster Bill in September to introduce “anticipatory action,” enabling agencies to pre-position supplies and evacuate residents before disasters strike. Even so, November floods displaced 1.4 million people.

Research firm BMI, a unit of Fitch Solutions, warns that Southeast Asia faces rising risks from “compound disasters,” in which multiple extreme events hit in rapid succession. These events are expected to grow more frequent and more destructive in the years ahead. The region also has some of the world’s largest populations living in high-risk flood zones: 21% in Malaysia, roughly 20% in Indonesia, and about 15% in Singapore, Vietnam, the Philippines, and Sri Lanka, BMI analysts noted this week.

Countries are beginning to set longer-term plans. Vietnam released its updated National Adaptation Plan (NAP) in September. Malaysia expects to publish its NAP in 2026, while Singapore’s Minister for Sustainability and the Environment, Grace Fu, recently said the country aims to complete its own within five years.

Despite major investment in flood control and the passage of the Imminent Disaster Bill, November floods still displaced 1.4 million people in the Philippines. (Photo: iStock)

Climate losses reach $125 billion when supply chains are counted

The USD 20 billion estimate for November’s floods is based on early government and analyst assessments and is likely to rise. A global study shows that the true cost of climate-related disasters goes far beyond damaged buildings. Between 2009 and 2019, direct losses from droughts, floods and storms averaged USD 60 billion a year. Once indirect impacts such as supply chain disruption were included, the total climbed to USD 125 billion, or about 0.16% of global GDP. Almost half of these losses were linked to human-induced climate change.

The burden was concentrated in a few highly exposed sectors. Manufacturing, agriculture, construction and transport accounted for 70% of total losses during that decade, reflecting how exposed these sectors are to both physical damage and knock-on supply chain delays. Manufacturing was hit hardest, responsible for 40% of direct losses and 30% of indirect losses.

The recovery ahead will be costly, especially for governments already grappling with tight budgets. More and more fiscal outlays need to be diverted to harden infrastructure and build up resilience, Frederic Neumann, chief Asia economist at HSBC, told Bloomberg.“Especially for poorer economies, this can entail difficult choices that require reductions in badly needed expenditures elsewhere,” he added.

“Scaling up the loss and damage fund is an urgent priority,” said Wang Bowen of Tsinghua University’s Institute of Energy, Environment and Economy. “For developed countries, assisting developing countries with adaptation not only builds local capacity but also mitigates supply chain risks for themselves.”

Source: Bloomberg, Eco-Business