World: Faster pace of climate change is 'scary' - PressFrom - Australia

WorldFaster pace of climate change is 'scary'

03:25  16 september  2019
03:25  16 september  2019 Source:

Sweden's Tallest Peak Has Lost Its Title, Thanks To Climate Change

Sweden's Tallest Peak Has Lost Its Title, Thanks To Climate Change The heat waves that baked Europe over the past two summers have been directly linked to climate change, and this year’s had the added oomph of coming amidst the hottest month in recorded history for the planet. While there were obviously more serious impacts from the record heat, such as the deaths of roughly 1,500 people in France or billions of tons of ice falling into the ocean off Greenland, Sweden’s shrinking mountain is a reminder that climate change means everything changes. And it highlights the plight of mountain ice everywhere, as meltwaters go from a trickle into a raging river.

That ’s because just recently, these same experts have discovered that climate change (and its effects) ­­­­­is advancing at a pace faster Implementing it however, isn’t the easiest since old systems (such as how sea surface temperatures are measured) have to be changed in order to reflect the new ones.

It's almost universally agreed now that climate change is caused by humans and it's on track to wreak havoc on It's happening faster than you know. Climate change is caused by carbon emissions in the atmosphere Carbon dioxide levels in the atmosphere increased at a record-breaking pace last year

Faster pace of climate change is 'scary'© Getty Images The increased frequency and intensity of wildfires may be one outcome of climate change

Extreme events linked to climate change, such as the heatwave in Europe this year, are occurring sooner than expected, an ex-chief scientist says.

Faster pace of climate change is 'scary'
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Prof Sir David King says he's been scared by the number of extreme events, and he called for the UK to advance its climate targets by 10 years.

But the UN's weather chief said using words like “scared” could make young people depressed and anxious.

Campaigners argue that people won't act unless they feel fearful.

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Europe and northern hemisphere are warming at faster pace than the global average and ‘multiple climatic hazards’ are expected, says study.

Climate change is occurring at a rate 10 times faster than any time in the past 65 million years, a pair of scientists with Stanford University found in a Over the next century, the pace of climate change is expected to continue to pick up speed, the report warns, which could lead to a rise in average annual

Speaking to the BBC, Prof King, a former chief scientific adviser to the government, said: “It’s appropriate to be scared. We predicted temperatures would rise, but we didn’t foresee these sorts of extreme events we’re getting so soon.”

Several other scientists contacted by the BBC supported his emotive language.

The physicist Prof Jo Haigh from Imperial College London said: “David King is right to be scared – I’m scared too."

“We do the analysis, we think what’s going to happen, then publish in a very scientific way.

"Then we have a human response to that… and it is scary.”

Petteri Taalas, who is secretary-general of the World Meteorological Organization (WMO) said he fully supported UN climate goals, but he criticised radical green campaigners for forecasting the end of the world.

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A new U.S. government report drew a direct line between human activity and the quickening pace of climate change , saying the future emissions of “Many lines of evidence demonstrate that it is extremely likely that human influence has been the dominant cause of the observed warming since

Not only is the planet undergoing one of the largest climate changes in the past 65 million years, Stanford climate scientists Noah Diffenbaugh and Chris Field report that it 's on pace to occur at a rate 10 times faster than any change in that period. Without intervention, this extreme pace could lead to

It’s the latest chapter in the long debate over how to communicate climate science to the public.

Will emotive language leave young people depressed?

Dr Taalas agrees polar ice is melting faster than expected, but he’s concerned that public fear could lead to paralysis – and also to mental health problems amongst the young.

“We are fully behind climate science and fully behind the (upcoming) New York climate summit", he said.

“But I want to stick to the facts, which are quite convincing and dramatic enough. We should avoid interpreting them too much.

“When I was young we were afraid of nuclear war. We seriously thought it’s better not to have children.

“I’m feeling the same sentiment among young people at the moment. So we have to be a bit careful with our communication style.”

The polar scientist Andrew Shepherd from Leeds agreed with him that scientists should normally avoid emotional terms.

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How fast can wild animals adapt to keep up with climate change ? “We found that on average, species usually adapt to different climatic conditions at a rate of only by about 1 degree Celsius per million years,” John J. Wiens, a UA professor and the lead researcher, said in a statement.

According to scientists at Stanford University, climate change is on pace to occur 10 times faster than any change recorded in past 65 million years. The bottom map illustrates the velocity of climate change , or how far species in any given area will need to migrate by the end of the 21st century to

He said: "I would not use the term (scary) in general, but it is certainly surprising to see record (or near record) losses of ice. The year 2019 has been a bad year for Earth's ice."

However, some scientists appear to believe that their communications in the past have been failing to provoke an emotional response that would convince the public to act.

Do scientists agree climate change is scary?

We tested Prof King's views with the main authors of the authoritative Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5), published in 2014.

The consensus among those who replied was that climate models had accurately forecast the rise in global mean temperature.

But the models hadn’t been sufficiently sophisticated to foresee events like this year’s extreme European heatwave or the slow-moving Hurricane Dorian – described by Nasa as “extraordinary” and “a nightmare scenario”.

Others mentioned severe ice melting at the poles; Tasmania suffering record droughts and floods in consecutive years; record wildfires in the Arctic and an unprecedented two large cyclones in Mozambique in one year.

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We discovered that generalist plant species survived better than specialists, which were more likely to go extinct as the climate warmed. A good example of a generalist is a species that does not rely on another species to reproduce ( that other species may go extinct!) but uses the wind to reproduce.

newspaper Aftenposten that climate changes are happening so fast in the high Arctic areas of Svalbard that they struggle to keep up the pace . However, the well-known patterns are changing due to rapidly changing climate conditions. There are fewer days of Arctic cold, more days of rain in

Changes 'anticipated for decades'

Gerald Meehl, a senior scientist at the US National Center for Atmospheric Research (NCAR) in Boulder, Colorado, told us he’d been anticipating changes like these for four decades, although he hadn't been certain when they would arrive.

“I have a sense of the numbing inevitability of it all,” he said.

“It's like seeing a locomotive coming at you for 40 years - you could see it coming and were waving the warning flags but were powerless to stop it.”

Few of the scientists we contacted had faith that governments would do what was needed to rescue the climate in time.

They’re alarmed that global warming of just over 1C so far has already created a new normal in which historic temperature records will inevitably be broken more often. This is the predictable side of climate change.

Prof King argues that some changes were not well forecast.

What is the science behind extreme weather events?

The loss of land ice in Antarctica, for instance, is at the upper range of predictions in the IPCC AR5. And there are record ice losses in Greenland

Then there’s this year’s French heatwave.

Faster pace of climate change is 'scary'© Getty Images Extreme and sustained temperatures in France in July led to droughts in some areas

Dr Friederike Otto from Oxford University is an expert in the attribution of extreme events to climate change.

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  'Eco-anxiety' growing among climate kids "Psychologists are treating a wave of children as young as 10 who are paralysed by climate change fear-mongering." - The Daily TelegraphThe Daily Telegraph's Lucy Hughes Jones said, "as a millennial, I think climate change is a topic worth worrying about.

Climate change in Africa pertains to aspects of climate change within the continent of Africa. Climate change is already a reality in Africa.

What’s so scary about climate change ? The term is not scary — at last not in a visceral, skin-crawling sense. As the climate warms, rats in New York, Philadelphia and Boston are breeding faster — and Like rats, humans are hardy animals, and we’ve adapted to all kinds of climates . So it can be

She told us that in a pre-climate change world, a heatwave like this might strike once in 1,000 years.

In a post-warming world, the heatwave was still a one in 100 year phenomenon. In other words, natural variability is amplifying human-induced climate heating.

“With European heatwaves, we have realised that climate change is a total game-changer,” she said. It has increased the likelihood (of events) by orders of magnitude.

“It’s changing the baseline on which to make decisions. How do we deal with summer? It is very hard to predict,” Dr Otto explained.

Researchers had not yet had time to investigate the links between all of the major extreme weather events and climate change, she said.

With some phenomena such as droughts and floods there was no clear evidence yet of any involvement from climate change. And it was impossible to be sure that the slow progress of Dorian was caused by climate change.

'We can’t wait for scientific certainty'

Prof King said the world could not wait for scientific certainty on events like Hurricane Dorian. “Scientists like to be certain,” he said.

“But these events are all about probabilities. What is the likelihood that (Dorian) is a climate change event? I’m going to say ‘very high’.

“I can’t say that with 100% certainty, but what I can say is that the energy from the hurricane comes from the warm ocean and if that ocean gets warmer we must expect more energy in hurricanes.”

He continued: “If you got in a plane with a one in 100 chance of crashing you would be appropriately scared.

“But we are experimenting with the climate in a way that throws up probabilities of very severe consequences of much more than that.”

World calls for urgent action on climate change

  World calls for urgent action on climate change Millions of people around the world are expected to take to the streets to call for urgent measures to tackle climate change. © Getty Demonstrations and climate-related events are happening around the world Inspired by Swedish climate activist Greta Thunberg, students are leading events from Australia to Iceland that highlight the need to address what they describe as a climate emergency. © Sky News Screen Grab Greta Thunberg has inspired young people to act to tackle climate change People in around 150 countries will take time off school or work to join the global event.

As Earth Day approaches, take a moment to learn how climate change threatens our country And sea levels are rising three- to four-times faster along parts of the United States’ East Coast And the extreme weather — which many scientists say is caused by climate change — is not limited to heat.

The climate is changing at a pace that 's far faster than anything seen in 65 million years, a report out of Stanford University says. The amount of global temperature increase and the short time over which it's occurred create a change in velocity that outstrips previous periods of warming or cooling

Faster pace of climate change is 'scary'© Getty Images Hurricane Dorian was packing sustained winds of 295km/h (185mph) when it made landfall

Should the UK bring climate targets earlier?

Prof King said the situation was so grave that the UK should bring forward its date for cutting emissions of greenhouse gases to almost zero from 2050 to 2040.

Some of the IPCC scientists we contacted didn’t share his urge to engage with the public on an emotional level.

Others agreed with him.

Prof John Church from the University of New South Wales in Sydney, Australia told us: "Some things appear to be happening faster than projected. This may be partially related to the interaction of climate change and natural variability as well as the uncertainty in our understanding and projections.

“In my own area of sea level change, things are happening near the upper end of the projections.

“What is scary is our lack of appropriate response. Our continued lack of action is committing the world to major and essentially irreversible change.”

Nations 'going backwards' on climate change

Scientists have typically feared being labelled as alarmist or of being accused of campaigning if they express personal views on the issue.

But the recent rash of extremes has drawn some of them out.

Even cautious academics like Dennis Hartmann from the University of Washington in Seattle can’t hide their feelings completely.

He told me: “I do not use the ‘scary’ word.

"I prefer to talk about moving on to an economy in harmony with the natural world, but still providing a better life to humans.

“This is entirely possible. It is disheartening to me personally that we are moving faster in the opposite direction in most of the world.

“Much of what we are doing in increasing atmospheric CO2, extinction of species and destruction of ecosystems is nearly irreversible.

“So maybe it is time to be frightened.”

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