Heat Wave in Southeast Asia Triggers Health Alerts

People walk with umbrellas during a heatwave in Manila on April 29, 2024. (Photo by Ted ALJIBE / AFP)
People walk with umbrellas during a heatwave in Manila on April 29, 2024. (Photo by Ted ALJIBE / AFP)
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Heat Wave in Southeast Asia Triggers Health Alerts

People walk with umbrellas during a heatwave in Manila on April 29, 2024. (Photo by Ted ALJIBE / AFP)
People walk with umbrellas during a heatwave in Manila on April 29, 2024. (Photo by Ted ALJIBE / AFP)

The Philippines has closed schools down and warned of overloading on its power grid, as authorities across Southeast Asia issued a series of health alerts for a crushing and deadly heat wave, Reuters reported.
The Philippines' country's education ministry cancelled in-person classes at public schools for two days on Sunday.
"We already have reports of high blood pressure and dizziness, and fainting for pupils and teachers in the past days," Benjo Basas, chairperson of Teachers' Dignity Coalition, a group of educators, told DWPM radio station.
Temperatures in the Philippines are forecast to reach 37 degree Celsius (98.6 degrees Fahrenheit) in the next three days, with many classrooms crowded and without air conditioning.
The country's weather agency said the heat index - the actual temperature felt by the body to include relative humidity - is expected to remain at a record 45 degrees Celsius (113° Fahrenheit), in the range which it classes as "dangerous" as conditions can trigger heat stroke from prolonged exposure.
The heat wave is also putting pressure on power supplies on the main island of Luzon, which accounts for three-quarters of economic output, with reserves thinning after 13 power plants had shut down earlier this month, the Philippines' grid operator said in a statement.
In Thailand, temperatures are forecast to surpass 40 degrees in Bangkok and the country's central and northern regions with the meteorological agency advising people to avoid being outdoors for extended periods.
Temperatures soared to 44.2 degrees Celsius in the northern city of Lampang on April 22, with the meteorological department saying on Monday it expects the extreme heat will continue this week.
In the past month, 30 people have died from heat stroke, data from Thailand's health ministry showed.
DEHDRATION, HEAT SHOCK
People are seeking respite from the heat in air-conditioned shopping malls in Vietnam's business hub Ho Chi Minh City, state media reported, with the country's national weather agency warning of risks of forest fires, dehydration, and heat shock.
Maximum temperatures measured in several parts of northern and central Vietnam ranged from 40.2 and 44.0 degree Celsius the agency said on Sunday, adding that temperatures won't subside until Wednesday.
Vietnam's state electricity company has also urged consumers to refrain from overworking their air conditioning units, warning that electricity consumption has reached record highs in the recent days.
Malaysia meteorological department issued hot weather warnings on Sunday for 16 areas that have recorded temperatures between 35 and 40 degrees (95 to 104 degrees Fahrenheit) for three consecutive days.
A total of 45 cases of heat-related illnesses have been reported in the country as of April 13, the health ministry said, without specifying when it began tracking the cases. Two deaths due to heat stroke have been reported, the ministry said in a statement.
In the neighboring city state of Singapore, the meteorological service said the country's temperatures could soar higher in 2024 than last year, which was Singapore's fourth-warmest year since records began in 1929.
Singapore's hottest day recorded was May 13 last year when the highest daily maximum temperature hit 37 degrees Celsius, Reuters said.
Since last month some schools have relaxed rules on uniforms to allow students to wear more comfortable physical education attire amid the persistent heat.
Meanwhile, warmer temperatures in Southeast Asia's most populated nation of Indonesia are driving a surge in cases of dengue fever, a mosquito-borne infection, with cases more than doubling to 35,000 from 15,000 a year earlier, the health ministry has said.
The El Nino weather pattern has prolonged the dry season and hotter temperatures have accelerated the mosquito lifecycle, Indonesian health ministry spokesperson Siti Nadia Tarmizi told state news agency, Antara.



Scientists Seek Miracle Pill to Stop Methane Cow Burps

A cow that's part of study on reducing methane emitted by cow burps stands in an exclosure at UC Davis in Davis, California on October 23, 2024. (AFP)
A cow that's part of study on reducing methane emitted by cow burps stands in an exclosure at UC Davis in Davis, California on October 23, 2024. (AFP)
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Scientists Seek Miracle Pill to Stop Methane Cow Burps

A cow that's part of study on reducing methane emitted by cow burps stands in an exclosure at UC Davis in Davis, California on October 23, 2024. (AFP)
A cow that's part of study on reducing methane emitted by cow burps stands in an exclosure at UC Davis in Davis, California on October 23, 2024. (AFP)

A scientist guides a long tube into the mouth and down to the stomach of Thing 1, a two-month-old calf that is part of a research project aiming to prevent cows from burping methane, a potent greenhouse gas.

Paulo de Meo Filho, a postdoctoral researcher at University of California, Davis, is part of an ambitious experiment aiming to develop a pill to transform cow gut bacteria so it emits less or no methane.

While the fossil fuel industry and some natural sources emit methane, cattle farming has become a major climate concern due to the sheer volume of the cows' emissions.

"Almost half of the increase in (global) temperature that we've had so far, it's been because of methane," said Ermias Kebreab, an animal science professor at UC Davis.

Methane, the second largest contributor to climate change after carbon dioxide, breaks down faster than CO2 but is more potent.

"Methane lives in the atmosphere for about 12 years" unlike carbon dioxide which persists for centuries, Kebreab said.

"If you start reducing methane now, we can actually see the effect on the temperature very quickly."

Filho uses the tube to extract liquid from Thing 1's rumen -- the first stomach compartment containing partially digested food.

Using the rumen liquid samples, the scientists are studying the microbes that convert hydrogen into methane, which is not digested by the cow but instead burped out.

A single cow will burp roughly 220 pounds (100 kilograms) of the gas annually.

- 'Social critters' -

Thing 1 and other calves receive a seaweed-supplemented diet to reduce methane production.

Scientists hope to achieve similar results by introducing genetically modified microbes that soak up hydrogen, starving methane-producing bacteria at the source.

However, the team proceeds cautiously.

"We can't just simply cut down methane production by removing" methane-making bacteria, as hydrogen could accumulate to the point of harming the animal, warned Matthias Hess, who runs the UC Davis lab.

"Microbes are kind of social critters. They really like to live together," he said.

"The way they interact and affect each other impacts the overall function of the ecosystem."

Hess's students test different formulas in bioreactors, vessels that reproduce microorganisms' living conditions in a stomach from movements to temperature.

- More productive cows -

The project is being carried out at UC Davis as well as UC Berkeley's Innovative Genomics Institute (IGI).

IGI scientists are trying to identify the right microbe -- the one they hope to genetically alter to supplant methane-producing microbes.

The modified microorganisms will then be tested at UC Davis in the lab and in the animals.

"Not only are we trying to reduce methane emissions, but you also increase the feed efficiency," said Kebreab.

"Hydrogen and methane, they are both energy, and so if you reduce that energy and redirect it to something else... we have a better productivity and lower emissions at the same time."

The ultimate goal is a single-dose treatment administered early in life, since most cattle graze freely and can't receive daily supplements.

The three research teams have been given $70 million and seven years to achieve a breakthrough.

Kebreab has long studied sustainable livestock practices and pushes back against calls to reduce meat consumption to save the planet.

While acknowledging this might work for healthy adults in developed nations, he pointed to countries like Indonesia, where the government is seeking to increase meat and dairy production because 20 percent of children under five suffer from stunted growth.

"We can't tell them to not eat meat," he said.