Newsweek - As summer temperatures begin to rise across the country, a headache is also heating up for the air conditioning industry. A shortage of R-454B refrigerant, the eco-friendly coolant poised to replace older formulas, is threatening to disrupt cooling systems at the worst possible time.
Manufacturers have issued warnings about potential legal and damage concerns about mixing refrigerants as a means to circumvent the shortages.
Newsweek - Millions of residents across California, Nevada, and Arizona have been warned to stay out of the sun on Friday and Saturday as temperatures are set to soar into the triple digits. The National Weather Service (NWS) has issued heat advisories and extreme heat watches across the three states as the Southwest braces for an incoming heat wave.
Extreme heat is now considered one of the deadliest weather risks in the United States, causing an estimated 1,220 deaths annually, according to the Centers for Disease Control and Prevention.
Guardian - There is an 80% chance that global temperatures will break at least one annual heat record in the next five years, raising the risk of extreme droughts, floods and forest fires, a new report by the World Meteorological Organization (WMO) has shown.
For the first time, the data also indicated a small likelihood that before 2030, the world could experience a year that is 2C [34.7 F] hotter than the preindustrial era, a possibility scientists described as “shocking”.
Coming after the hottest 10 years ever measured, the latest medium-term global climate update highlights the growing threat to human health, national economies and natural landscapes unless people stop burning oil, gas, coal and trees.
The update, which synthesises short-term weather observations and long-term climate projections, said there was a 70% chance that five-year average warming for 2025-2029 will be more than 1.5C above preindustrial levels.
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