Deadly impact of climate change on India's floods; Philippines vows arrests over bogus flood projects

Science

by AFP Staff Writers

Mumbai, India (AFP) Nov 12, 2025

Climate change is making monsoon rains in India’s financial capital Mumbai deadlier, mostly for poor people, according to a report released Wednesday by the University of Chicago.

The case study analysed extensive data to estimate the population-wide impact of rainfall and floods on mortality in Mumbai, a city of 22 million people.

It provides a stark warning for other coastal megacities worldwide: climate-driven floods are an “escalating public health threat” as the heating planet is bringing heavier rains and causing sea levels to rise.

South Asia’s annual monsoon rains sustain more than a billion people, but climate change is making them increasingly erratic and deadly, with poor infrastructure exacerbating the impact.

“Rainfall is leading to more deaths in Mumbai,” says the report, which was published in Nature.

It notes that “vulnerable groups such as the poor, young children and women” are experiencing the greatest impacts.

Rainfall-driven flooding in Mumbai is responsible for roughly eight percent of all deaths during the monsoon season, representing 2,300-2,700 lives lost annually between 2006 and 2015, the researchers found, a toll “comparable to cancer deaths”.

Mumbai is surrounded by the sea on three sides, and inadequate drainage means that floods are made worse when the tide is up.

“Intense bursts of rain, and especially intense bursts combined with high tides are the deadliest”, says the report.

The impacts reflect divisions in wealth, according to the study, noting that 85 percent of those who “die from rainfall live in slum areas”.

“We have witnessed the impact of rainfall and flooding time and again — traffic accidents, electrocutions, drownings from rising flood waters,” said co-author Ashwin Rode.

“But with poor drainage and sanitation systems, standing floods can also trigger many after-effects… diseases like dengue, diarrhoea, malaria can flourish.”

The report warns that without action, rising seas will amplify rainfall-driven deaths “by as much as 20 percent over the coming decades”.

Philippines vows arrests over bogus flood control projects
Manila (AFP) Nov 13, 2025 –
The Philippines’ president vowed on Thursday that those behind bogus flood control projects will be arrested before Christmas, days after deadly back-to-back typhoons left swathes of the country underwater.

Scores of construction firm owners, government officials and lawmakers – including President Ferdinand Marcos’ cousin Congressman – have been accused of pocketing funds for substandard or so-called ghost infrastructure projects.

The Department of Finance has estimated the Philippine economy lost up to 118.5 billion pesos (around $2 billion) from 2023 to 2025 due to corruption in flood control projects.

Criminal cases against most of the people implicated were nearly completed, Marcos told reporters.

“We don’t file cases for optics. We file cases to put people in jail,” he said.

“They won’t have a merry Christmas… happy days are over.”

Marcos put the issue of ghost infrastructure projects centre stage in his July national address, and public anger over the issue has since mounted.

Asked if his cousin Martin Romualdez will also face charges, Marcos said “not as yet”, citing a lack of evidence, but adding that “no one is exempted in this investigation”.

The Philippines is still reeling from the devastation caused by then Super Typhoon Fung-wong that made landfall in the country on Sunday evening, flooding hundreds of villages and killing at least 27 people.

Fung-wong came just days after Typhoon Kalmaegi hit the central part of the archipelago nation and killed at least 232 people.

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