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Climate Change

Thousands urged to higher ground as Australia battles floods



(Last Updated On: December 17, 2023)

Australian authorities on Sunday urged thousands of people in north Queensland state to move to higher ground because of the danger of flooding from torrential rains, Reuters reported.

Queensland authorities said major flooding was underway in some suburbs of Cairns, a tourist hub of around 170,000 people located around 1,700 km north of state capital Brisbane.

“Properties in these areas may continue to experience flooding with the approaching high tide and continued rainfall. Residents should move to higher ground now,” Queensland Fire and Emergency Services said on its website in one of several emergency alerts for parts of north Queensland.

The flooding came with heavy rain from ex-Tropical Cyclone Jasper, which hit the region this week, leaving tens of thousands without power and forcing evacuations.

Australia’s weather forecaster predicted “dangerous and life-threatening flash flooding” in Cairns – a gateway to the Great Barrier Reef – and said water levels later on Sunday could exceed a 1971 record flood peak of 4.1m (13.45 feet).

Cairns Local Disaster Management Group said homes, buildings, roads and bridges had been inundated.

“Power, water, sewerage and telephone services could be lost in the area,” the agency said in a statement.

There was also flooding about 120 km north of Cairns in the tourist town of Daintree Village, where around 350mm of rain had fallen since 9 a.m. on Saturday, the weather forecaster said.

A spokesperson for the forecaster, Dean Narramore, told the Australian Broadcasting Corp the weather system had stalled but that it could move west overnight, which would ease rain in Cairns and surrounding areas.

Frequent flooding has hit Australia’s east in recent years including “once in a century” floods that inundated neighbouring Northern Territory in January during a multi-year La Nina weather event.

Australia is now enduring an El Nino weather event, typically associated with extreme events such as wildfires, cyclones, droughts and heatwaves such as the one that baked parts of the country on Saturday.

Climate Change

UN sounds ‘Red Alert’ as world smashes heat records in 2023



(Last Updated On: March 20, 2024)

Every major global climate record was broken last year and 2024 could be worse, the World Meteorological Organization (WMO) said on Tuesday, with its chief voicing particular concern about ocean heat and shrinking sea ice, Reuters reported.

The U.N. weather agency said in its annual State of the Global Climate report that average temperatures hit the highest level in 174 years of record-keeping by a clear margin, reaching 1.45 degrees Celsius above pre-industrial levels.

Ocean temperatures also reached the warmest in 65 years of data with over 90% of the seas having experienced heatwave conditions during the year, the WMO said, harming food systems.

“The WMO community is sounding the Red Alert to the world,” said WMO Secretary-General Celeste Saulo, who took over the job in January.

“What we witnessed in 2023, especially with the unprecedented ocean warmth, glacier retreat and Antarctic sea ice loss, is cause for particular concern.”

She later told reporters that ocean heat was particularly concerning because it was “almost irreversible”, possibly taking millennia to reverse.

“The trend is really very worrying and that is because of the characteristics of water that keep heat content for longer than the atmosphere,” she said.

Climate change, driven by the burning of fossil fuels, coupled with the emergence of the natural El Nino climate pattern, pushed the world into record territory in 2023, read the report.

WMO’s head of climate monitoring, Omar Baddour, told reporters there was a “high probability” that 2024 would set new heat records, saying that the year after an El Nino was typically warmer still.

Tuesday’s report showed a big plunge in Antarctic sea ice, with the peak level measured at 1 million km2 below the previous record – an area roughly equivalent to the size of Egypt.

That trend, combined with ocean warming which causes water to expand, has contributed to a more than doubling of the rate of sea-level rise over the past decade compared with the 1993-2002 period, it said.

Ocean heat was concentrated in the North Atlantic with temperatures an average 3 degrees Celsius above average in late 2023, the report said. Warmer ocean temperatures affect delicate marine ecosystems and many fish species have fled north from this area seeking cooler temperatures, Reuters reported.

Saulo, a meteorologist from Argentina who has promised to strengthen global warning systems for climate disasters, said she hoped the report would raise awareness of the “vital need to scale up the urgency and ambition of climate action”.

“That’s why we spoke about the Red Alert because we must care for the people and how they will suffer from these more frequent, more extreme events,” she told reporters. “If we do nothing, things will become worse and that will be our responsibility.”

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Climate Change

Pakistan, India and Bangladesh bottom in air quality rankings in 2023



(Last Updated On: March 19, 2024)

Pakistan remained one of the world’s three smoggiest countries in 2023, as Bangladesh and India replaced Chad and Iran, with particulate matter about 15 times the level recommended by the World Health Organization, data published on Tuesday showed.

Average concentrations of PM2.5 – small airborne particles that damage the lungs – reached 79.9 micrograms per cubic meter in Bangladesh in 2023, and 73.7 micrograms in Pakistan. The WHO recommends no more than 5 micrograms.

“Because of the climate conditions and the geography (in South Asia), you get this streak of PM2.5 concentrations that just skyrocket because the pollution has nowhere to go,” said Christi Chester Schroeder, air quality science manager at IQAir, a Swiss air-monitoring organisation.

“On top of that are factors such as agricultural practices, industry and population density,” she added. “Unfortunately, it really does look like it will get worse before it gets better.”

In 2022, Bangladesh was ranked as having the fifth-worst air quality, and India was eighth.

About 20% of premature deaths in Bangladesh are attributed to air pollution, and related healthcare costs amount to 4%-5% of the country’s GDP, said Md Firoz Khan, an air pollution expert at Dhaka’s North South University.

Indian pollution also increased last year, with PM2.5 levels about 11 times higher than the WHO standard. India’s New Delhi was the worst-performing capital city, at 92.7 micrograms.

Only Australia, Estonia, Finland, Grenada, Iceland, Mauritius and New Zealand met WHO standards in 2023.

The IQAir report was based on data from more than 30,000 monitoring stations in 134 countries and regions.

Chad, the world’s most polluted country in 2022, was excluded from the 2023 listings because of data issues. Iran and Sudan were also taken off the 2023 list.

Afghanistan was meanwhile not included on the list.

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Climate Change

In Bolivia, heavy rains prompt authorities to declare state of emergency



(Last Updated On: March 11, 2024)

Heavy rain in Bolivia’s capital, La Paz, prompted authorities to declare a state of emergency, a government document showed on Sunday, after overflowing rivers destroyed many houses over the weekend.

Bolivian President Luis Arce pledged to send heavy machinery and 3,000 troops to prevent further damage, according to the document, Reuters reported.

Heavy rains caused flooding in several neighborhoods and isolated parts of the city by cutting water, electricity and roads.

“We are deeply concerned by the difficult situation that our municipality in La Paz is going through,” Arce said in a post on social media platform X.

One person died over the weekend in La Paz because of the heavy rains, while nearly 50 people have died in deluges across the country since the rainy season began in January, according to official data.

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