Global warming: Nigeria among countries at risk as temperatures soar

Nigeria has been listed among countries most at risk as global warming brings more high temperatures, necessitating the need to keep people cool and preserve food and medicine.

In a study released today by the non-profit Sustainable Energy for All Group, more than a billion people are estimated to be at risk from a lack of air conditioning and refrigeration to keep people and things cool.

About 1.1 billion people in Asia, Africa and Latin America – 470 million in rural areas and 630 million slum dwellers in cities – were at risk among the world’s 7.6 billion people, the report said.

In a survey of 52 countries, those most at risk included Nigeria, India, China, Mozambique, Sudan, Brazil, Pakistan, Indonesia and Bangladesh, it said.

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“Cooling becomes more and more important” with climate change, Rachel Kyte, head of the group and special representative for the U.N. Secretary-General for Sustainable Energy for All, said.

More electricity demand for fridges, fans and other appliances will add to man-made climate change unless power generators shift from fossil fuels to cleaner energies, according to the report by the non-profit Sustainable Energy for All group.

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“We have to provide cooling in a super-efficient way,” Kyte said. Companies could find big markets, for instance by developing low-cost, high-efficiency air conditioners to sell to growing middle classes in tropical countries.

And simpler solutions, such as painting roofs white to reflect sunlight or redesigning buildings to allow heat to escape, would also help.

The U.N.’s health agency says that heat stress linked to climate change is likely to cause 38,000 extra deaths a year worldwide between 2030 and 2050. In a heat-wave in May, more than 60 people died in Karachi, Pakistan, when heat rose above 40 degrees Celsius (104°F).

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In remote areas in tropical countries, many people lack electricity and clinics are often unable to store vaccines or medicines that need to be chilled, the study said. And in city slums, electricity supplies are often intermittent.

Many farmers or fishermen, meanwhile, lack access to a “cold chain” to preserve and transport products to markets. Fresh fish goes off within hours if stored at 30 degrees Celsius (86°F) but stays fresh for days when chilled.

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Last week, a study by the University of Birmingham in Britain projected that the number of cooling appliances could quadruple by 2050 to 14 billion worldwide, driving a surge in energy consumption.