00:00 The era of global warming has ended. The era of global boiling has arrived.
00:05 The United Nations has issued its most somber warning till date on the issue of climate change.
00:11 United Nations Secretary-General Antonio Guterres has pleaded for immediate radical action on
00:17 climate change, saying that record-shattering July temperatures show that Earth has now
00:22 passed from a warming phase into an era of global boiling. Speaking in New York,
00:27 Guterres described the intense heat across the northern hemisphere as a "cruel summer".
00:32 "For the entire planet, it is a disaster," he said, noting that short of a mini ice age over
00:37 the next days, July 2023 will shatter records across the board. His remarks came as scientists
00:45 across the world have confirmed that July is on track to be the hottest month ever recorded in
00:50 history. A set of new data released by the European Union's Copernicus program and the WMO
00:56 have revealed that global temperatures this month have shattered all previous records.
01:01 New data unequivocally show that so far July has seen the hottest three-week period ever recorded
01:08 and the three hottest days on record. A blistering heat wave is sweeping the northern hemisphere,
01:13 including parts of Europe and the Americas, with record high temperatures triggering devastating
01:19 wildfires in countries such as Greece, Italy and Algeria along the Mediterranean.
01:24 The steady rise in global average temperatures, driven by pollution that traps sunlight and acts
01:30 like a greenhouse around the Earth, has made weather extremes worse. Just as worrying is the
01:35 fact that ocean temperatures are at their highest ever recorded levels for this time of the year.
01:40 This trend has been apparent since the end of April. In fact, scientists are claiming that
01:45 an important oceanic circulation that goes by the name of Gulf Stream Current could collapse
01:51 as early as 2025. The new analysis estimates a timescale for the collapse between 2025 and 2095,
02:00 with a central estimate of 2050 if global carbon emissions are not reduced.
02:05 The shutting down of the vital ocean currents called the Atlantic Meridional
02:10 Overturning Circulation, or the AMOC, would bring catastrophic climate impacts.
02:14 AMOC carries warm ocean water northwards towards the pole where it cools and sinks,
02:19 driving the Atlantic's currents. But an influx of fresh water from the accelerating melting
02:24 of Greenland's ice cap and other sources is increasingly smothering the currents.
02:29 The impending collapse of AMOC is one of the climate tipping points
02:33 scientists are most concerned about as global temperatures continue to rise.
02:38 Research in 2022 showed five dangerous tipping points may already have been passed
02:43 due to the 1.1 degree centigrade of global heating to date, including the shutdown of AMOC,
02:48 the collapse of Greenland's ice cap, and an abrupt melting of carbon-rich permafrost.
02:54 Ahead of the Climate Ambition Summit the United Nations is set to host in September in Dubai,
02:59 Guterres has called on developed countries to commit to achieving carbon neutrality
03:03 as close to 2040 as possible and for emerging economies as close as possible to 2050.
03:10 He said that leaders must step up for climate action and climate justice,
03:14 particularly those from the G20 leading industrial nations who are cumulatively
03:19 responsible for 80% of global emissions. "No more hesitancy, no more excuses,
03:25 no more waiting for others to move first. There is simply no more time for that.
03:31 It is still possible to limit global temperature rise to 1.5 degrees Celsius
03:38 and avoid the very worst of climate change, but only with dramatic, immediate climate action."
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