March marks world's warmest on record, fuelled by climate change | ABS-CBN News
The world just experienced its warmest March on record, capping a 10-month streak in which every month set a new temperature record, the European Union's climate change monitoring service said on Tuesday (April 9).
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Run time: 05:40
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00:00.0
So we continue to see exceptional temperatures around the world.
00:27.4
And March is the 10th month in a row that has been the warmest month on record for that respective month.
00:34.5
And although a record in isolation often doesn't mean very much because the climate is incredibly variable,
00:42.3
so it has warmer periods, cooler periods, but it's this long-term trend with exceptional records that has us very concerned.
00:57.4
When we combine that with other data sets, then we can go back to 1850, so to this pre-industrial period.
01:10.7
But then we can also combine it with paleoclimate archives, so the resolution and the quality of the archives vary.
01:18.6
But we can say with some confidence that the period that we're living through right now is the warmest that humanity,
01:27.4
has faced in the last 100,000 years or so.
01:46.9
And when we see these record-breaking temperatures, so March was 0.73 degrees above the 30-year average.
01:57.4
And it was 0.1 degrees Celsius above the previous warmest March.
02:01.9
And so seeing records like this month in, month out, really shows us that our climate is changing, is changing rapidly,
02:10.9
and climate change isn't a future problem. It is a problem that we have to face here and now.
02:27.4
It's about climate change not only because we have to go back to the past, right?
02:32.6
If you compare it with when these records came back from caves after the Greatまぁ,
02:38.9
we actually have to bring in a lot more just ambient equipment.
02:46.9
And it's not only the air temperatures that are changing rapidly and showing these records.
02:52.5
It's also ocean temperatures.
02:54.8
And when we turn to the ocean temperatures,
02:56.8
So again, we measure the temperature of the surface of the ocean, and we are seeing records there.
03:03.2
And for the ocean, we've actually seen records for over 12 months in a row.
03:07.2
But what we've seen over the past year is that March 2023 was actually the coolest temperatures that we've seen for the last 12 months.
03:16.9
So we've had record-breaking temperatures in the ocean for over 12 months now.
03:21.7
And we don't know, climate scientists don't know, if this is a blip in the climate data, if it is a phase change in the climate,
03:31.1
if we're reaching tipping points, or if it's just part of the natural variability of the system.
03:51.7
So we know that the ocean has absorbed 90% of the extra heat from climate change, from anthropogenic global warming.
04:05.6
But the concern is that with this increasing temperature, and it's not only an increased temperature in the surface of the ocean,
04:14.7
we only have measurements in the top 2,000 meters of the ocean.
04:18.8
But across the top 2,000 meters,
04:21.7
that part of the ocean is warming as well.
04:25.1
And when we look at this, there are major implications for how the physics, the chemistry, and the biology of the ocean interacts with these warmer temperatures.
04:37.1
So it changes ocean currents, it changes biodiversity, and how successful biodiversity is in different locations.
04:45.8
And it changes the chemistry of the ocean as well,
04:49.2
in that a warmer ocean holds less nutrients,
04:51.8
which means that it's more challenging for some species to grow there.
04:56.7
You also get oxygen minimum zones, which lead to mass fish mortalities.
05:02.0
And then, of course, there's coral bleaching as well.
05:21.7
So this could be a risk factor.
05:37.7
Thank you for watching!
