Chilliest Spring in years is cold comfort for planet Earth as emissions rise: WMO
Confirmation that Europeans have just experienced their chilliest Spring in years is cold comfort for the planet, amid rising greenhouse gas levels which will bring negative impacts for generations to come, UN weather experts said on Tuesday.
“Europe had its coldest spring since 2013; the average March-May temperature was 0.45 degrees Celsius (C) below the 1991-2020 average,” said Clare Nullis, spokesperson for the World Meteorological Organization (WMO).
“Just because this year has got off to a relatively cool start by recent standards, does not mean that we’ve hit the pause button on climate change.”
According to data from the European Union’s Copernicus Climate Change Service (ECMWF), Europe’s cold May contrasted with the global average temperature for the month, which was 0.26C higher than the 1991-2020 mean.
Temperatures were well above average over western Greenland, north Africa, the Middle East and northern and western Russia while below-average May temperatures were reported over the southern and central United States, parts of northern Canada, south-central Africa, most of India, eastern Russia, and eastern Antarctica.
Reiterating how carbon dioxide (CO2) emissions continue to be a key driver of climate change, the WMO spokesperson relayed the latest data from the world's benchmark atmospheric monitoring station in Hawaii, the Mauna Loa Observatory, issued by the US National Oceanic and Atmospheric Administration and the Scripps Institution of Oceanography on Monday evening.
“According to the new figures, the May monthly average figures of CO2 in the atmosphere at Mauna Loa - this one particular site - was 419.13 parts per million; that’s up and it’s quite a considerable rise, that’s up from 417.31 in May of last years.”
And because CO2 has “such a long lifetime in the atmosphere”, Ms. Nullis explained that “many generations” would likely endure a series of natural shocks linked to climate change: “rising temperatures, more extreme weather, melting ice, rising sea level and all the associated impacts.”
For World Oceans Day 2021, on 8 June, the WMO official also underscored that the latest CO2 emissions data signalled increasing acidification of the seas and, linked to this, a drop in the amount of CO2 that can be absorbed.
“Today is World Oceans Day; these CO2 figures which I just mentioned are going to have a very real and very serious impact on the ocean; and this is because and this is because the ocean absorbs more than 23 per cent of CO2 emissions.”
Ocean acidification and marine heatwaves have already weakened coral reefs which shield coastlines and are vital marine ecosystems, WMO noted.
In the last 30 years, between 25 and 50 per cent of the world’s live coral have been lost “and it is predicted that by mid-century we could lose functional coral reef ecosystems around most of the world”, according to a UNEP/FAO report issued for World Environment Day.
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STORY: Cold European Spring - WMO
TRT: 2 mins 02s
SOURCE: UNTV CH
RESTRICTIONS: NONE
LANGUAGE: ENGLISH / NATS
ASPECT RATIO: 16:9
DATELINE: 8 June 2021 GENEVA, SWITZERLAND
SHOTLIST
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New data showing that rivers were at their lowest level for decades last year provides further evidence that the climate crisis is real and countries must act immediately to protect themselves from the increasing threat to communities and livelihoods, the UN World Meteorological Organization (WMO) said on Thursday.
The key findings from WMO’s State of Global Water Resources 2025 report covering the hydrological cycle and extreme events in the five-year period to last year:
Highlighting the long-term decline in the Earth’s freshwater storage and glacier melt, WMO Secretary-General Celeste Saulo explained that the planet’s water reserves used to act as a planetary “savings account” that absorbed the occasional dry season, avoiding a water crisis. “One of the central stories of the 2025 report is what is happening to that savings account? And the simple answer is that we are depleting it,” she told journalists in Geneva.
Groundwater reserves are equally stretched and have been in decline since 2014, WMO’s report states, with nearly two-thirds of monitored wells worldwide showing levels lower than the historical norm and indicating a shift “further toward deficit…not recovery”.
“At the same time, we are seeing more water-related disasters,” Ms. Saulo said, while also stressing that the currently strengthening El Niño “will increase the risk of drought in some areas, and flooding in others”.
Glaciers disappearing
In 2025, for the fourth consecutive year, every major glaciated region on Earth lost ice mass, leading to short-term hazards including floods and long-term water insecurity, according to WMO.
Responding to a question about whether the changing global water cycle might have contributed to the deadly Nepal-China flooding disaster, Ms. Saulo explained that melting ice and rock was just one factor in the chain of events that ultimately sent a massive and deadly wall of water and debris downstream on 26 August, killing at least 1,367 people.
“You asked if it could happen again? Absolutely; the problem in this region is that there’s 63,700 glaciers at the last count,” she told a Press Conference in Geneva. “Even if you’re looking with remote sensing with satellites at these glaciers, you might see some faults, you might see some slight shifting, that does not mean necessarily catastrophic collapse. So, in order to plan for this, it’s very, very difficult. But the international community is looking very hard at ways in which we can bring people together to solve some of these monitoring issues.”
Data indicates that glaciers shrank between 2023 and 2025 with cumulative losses of 1,400 gigatonnes of water – or about one third of annual fresh water needs.
Every major glacier region on Earth lost ice for the fourth consecutive year.
“All 19 glacier regions around the globe lost ice; in Central Asia, Iceland, the Russian Arctic and western Canada and the United States, it was among the three worst years on record,” said Wayne Jenkinson, WMO’s Director of Hydrology and Cryosphere.
Some regions with smaller glaciers such as Central Europe, the Caucasus, the western Canada and the United States may already have reached “peak water”, Mr. Jenkinson warned.
“After this point, the glacier gives less meltwater each year simply because there is less ice left to melt. That matters for every community downstream that relies on water during hot, dry summers,” he explained.
Narelle van der Wel, WMO’s Head of Cryosphere Monitoring, Predictions and Services, stressed that while some further glacier loss is unavoidable, the eventual scale of the decline is not predetermined.
“Some glacier loss is inevitable, but total loss of glaciers is not yet inevitable,” she said, pointing to emissions reductions as central to limiting future losses.
Preparing for moving baselines
The report does not attribute every observed change to climate change alone. WMO says pressure on water resources and natural variability also contribute.
Mr. Jenkinson said governments need to prepare for “moving baselines” as historical patterns become less reliable.
“The situation 30 years ago is not where we are today,” he said. Countries, he added, need to prepare “for those changes that have really already arrived”.
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