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US Promises Climate Aid for 20 Developing Cities

USAID chief Samantha Power. EPA
USAID chief Samantha Power. EPA
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US Promises Climate Aid for 20 Developing Cities

USAID chief Samantha Power. EPA
USAID chief Samantha Power. EPA

The USAID chief on Wednesday promised support for two dozen developing cities to cope with climate change and announced more than $2 billion in new adaptation finance from the private sector, Agence France Press (AFP) reported.

Samantha Power, administrator of the US Agency for International Development, is visiting the COP28 climate summit in Dubai. USAID promised $53 million to help 23 cities in the developing world switch to low-carbon and climate-resilient activities, including electric vehicles.

Cities targeted include Kyrgyzstan's capital Bishkek, the western Indian city of Rajkot, the northeastern South African city of Mbombela, and Hermosillo and Merida in Mexico.

Urban areas are responsible for three-quarters of global carbon emissions. USAID also announced the mobilization of another $2.3 billion in private-sector investment as part of an initiative by President Joe Biden to initiatives such as early-warning systems, climate-resilient food infrastructure and new financial products.

Twenty-one companies have newly committed funding through the initiative, dubbed the President's Emergency Plan for Adaptation and Resilience, including IBM and Visa, USAID said, after 10 founding members joined last year at COP27 in Egypt.

Power, the latest senior US official to join lead negotiator John Kerry during the marathon talks, is focusing efforts on helping developing countries adapt to the changing climate.

"COP28 comes at the end of yet another year where people around the world saw their lives turned upside down by record-high temperatures and extreme weather -- from the catastrophic drought and now devastating flooding in the Horn of Africa to the hottest summer in Earth's recorded history," Power said.

"We must do more to address the climate crisis -- and we are," she said in a statement to AFP ahead of her arrival.

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Climate Change Causing More Change in Rainfall, Fiercer Typhoons, Scientists Say 

People and vehicles wade through the water along a street that was flooded by Typhoon Gaemi in Kaohsiung on July 25, 2024. (AFP)
People and vehicles wade through the water along a street that was flooded by Typhoon Gaemi in Kaohsiung on July 25, 2024. (AFP)
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Climate Change Causing More Change in Rainfall, Fiercer Typhoons, Scientists Say 

People and vehicles wade through the water along a street that was flooded by Typhoon Gaemi in Kaohsiung on July 25, 2024. (AFP)
People and vehicles wade through the water along a street that was flooded by Typhoon Gaemi in Kaohsiung on July 25, 2024. (AFP)

Climate change is driving changes in rainfall patterns across the world, scientists said in a paper published on Friday, which could also be intensifying typhoons and other tropical storms.

Taiwan, the Philippines and then China were lashed by the year's most powerful typhoon this week, with schools, businesses and financial markets shut as wind speeds surged up to 227 kph (141 mph). On China's eastern coast, hundreds of thousands of people were evacuated ahead of landfall on Thursday.

Stronger tropical storms are part of a wider phenomenon of weather extremes driven by higher temperatures, scientists say.

Researchers led by Zhang Wenxia at the China Academy of Sciences studied historical meteorological data and found about 75% of the world's land area had seen a rise in "precipitation variability" or wider swings between wet and dry weather.

Warming temperatures have enhanced the ability of the atmosphere to hold moisture, which is causing wider fluctuations in rainfall, the researchers said in a paper published by the Science journal.

"(Variability) has increased in most places, including Australia, which means rainier rain periods and drier dry periods," said Steven Sherwood, a scientist at the Climate Change Research Center at the University of New South Wales, who was not involved in the study.

"This is going to increase as global warming continues, enhancing the chances of droughts and/or floods."

FEWER, BUT MORE INTENSE, STORMS

Scientists believe that climate change is also reshaping the behavior of tropical storms, including typhoons, making them less frequent but more powerful.

"I believe higher water vapor in the atmosphere is the ultimate cause of all of these tendencies toward more extreme hydrologic phenomena," Sherwood told Reuters.

Typhoon Gaemi, which first made landfall in Taiwan on Wednesday, was the strongest to hit the island in eight years.

While it is difficult to attribute individual weather events to climate change, models predict that global warming makes typhoons stronger, said Sachie Kanada, a researcher at Japan's Nagoya University.

"In general, warmer sea surface temperature is a favorable condition for tropical cyclone development," she said.

In its "blue paper" on climate change published this month, China said the number of typhoons in the Northwest Pacific and South China Sea had declined significantly since the 1990s, but they were getting stronger.

Taiwan also said in its climate change report published in May that climate change was likely to reduce the overall number of typhoons in the region while making each one more intense.

The decrease in the number of typhoons is due to the uneven pattern of ocean warming, with temperatures rising faster in the western Pacific than the east, said Feng Xiangbo, a tropical cyclone research scientist at the University of Reading.

Water vapor capacity in the lower atmosphere is expected to rise by 7% for each 1 degree Celsius increase in temperatures, with tropical cyclone rainfall in the United States surging by as much as 40% for each single degree rise, he said.