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CLIMATE SCIENCE
US urges greater ambition as UN Security Council tackles climate
by AFP Staff Writers
United Nations, United States (AFP) Sept 23, 2021

Climate change in North Atlantic fuels summertime warming in Northeast U.S.
Washington DC (UPI) Sep 23, 2021 - The Northeastern United States is warming faster than other parts of the country, according to new research published Thursday in the journal Nature Climate Change.

Analysis conducted by climate scientists at the University of Massachusetts, Amherst, suggests shifts in ocean and atmospheric conditions across the North Atlantic have already fueled 2 degrees Celsius of summertime warming.

Researchers knew the Northeast was rapidly warming. They also knew ocean temperatures in the northwestern Atlantic Ocean were rising faster than other regions.

"I wanted to know if there was a link between these two trends, and if so, what that link is," lead author Ambarish Karmalkar, professor of geosciences and researcher at the Northeast Climate Adaptation Science Center at Amherst, said in a press release.

A close examination of temperature data collected over the last several decades showed warming along the Atlantic coast, from Delaware to Maine, is truly "exceptional."

"This warming is being driven both by equally rapid trends in the Atlantic Ocean and by changes in atmospheric circulation patterns," Karmalkar said.

Temperature data across the Northeast showed that both wintertime averages and summertime highs are rapidly rising.

Previous studies have revealed a link between the slowdown of the Atlantic Meridional Overturning Circulation and rising ocean temperatures.

AMOC describes the conveyor belt-like action the brings warm water from the tropics north to Greenland, where it sinks and drifts back southward.

While the pattern does bring warm water to the North Atlantic, it also promotes stability by ensuring ocean water is constantly refreshed. With AMOC slowing down, the ocean has become more stagnant, allowing regions to heat up more rapidly.

"One consequence of this conveyor belt slowdown is more heating of the ocean off the Northeastern coast, which helps to explain the spike in ocean temperatures in the Mid-Atlantic Bight and Gulf of Maine regions," said Karmalkar.

Researchers also identified changes in the North Atlantic Oscillation, a regional climate pattern that influences the strength of winds blowing from the U.S. across the Atlantic to Europe.

Over the last few decades, the NAO has adopted a pattern that amplifies the influence of ocean air on coastal weather patterns in the Northeast.

In other words, air above the warming North Atlantic is increasingly being swept toward the coasts of the Mid-Atlantic and New England.

The authors of the new paper suggest their findings are reminder of the idiosyncrasies of regional climate patterns. Different parts of the United States are going to experience climate change in different ways.

"Our research implies that without improved high-resolution data, regional climate assessments, which inform our ability to plan for the future, may underemphasize warming in this populous region," said Karmalkar.

US Secretary of State Antony Blinken on Thursday urged all countries to raise their climate ambitions as the UN Security Council took up the environmental crisis, warning that it is aggravating conflicts.

Blinken pointed to recent record rains in New York that contributed to dozens of deaths and said climate has aggravated conflicts in countries including Syria, Mali, Yemen, South Sudan and Ethiopia.

"The climate crisis isn't coming. It's already here and clear patterns are emerging and its impact, the consequences, are falling disproportionately on vulnerable and low-income populations," Blinken said.

"All our nations must take immediate, bold actions," Blinken said, weeks ahead of high-stakes UN climate talks in Glasgow.

In a veiled reference to China, the only emitter larger than the United States, Blinken highlighted President Joe Biden's pledge before the United Nations on Tuesday to double financial support for the hardest-hit countries.

"We urge other governments to step up in making these investments, particularly those like the United States that are the biggest emitters," Blinken said.

The Security Council meeting called by current president Ireland follows a first top-level session on climate led by British Prime Minister Boris Johnson in February.

"It's time to act. We have to act to show we are ready," said Ireland's prime minister, Micheal Martin.

But Russia has been skeptical, saying climate does not fit the agenda of the Security Council.

Russian Foreign Minister Sergei Lavrov is participating in the annual UN General Assembly but did not attend the session, instead sending Russia's deputy ambassador, Dmitriy Polyanskiy.

"There are more suitable fora," Polyanskiy said, voicing concern about duplicating efforts.

"Too many cooks spoil the broth."

But Blinken said that taking up climate sends a "clear message to the international community of the serious implications that climate change has for our collective security."

UN Secretary-General Antonio Guterres told the session that a recent report by UN scientists that showed dangerously intensifying levels of climate change was "a code red for humanity."

He said at least 30 million people were displaced by climate-related disasters last year and that "no region is immune."

"Our window of opportunity to prevent the worst climate impacts is rapidly closing," he warned.

Thunberg to join mass German climate strikes before vote
Berlin (AFP) Sept 24, 2021 - Tens of thousands of climate activists including Greta Thunberg are due to descend on German cities Friday ahead of the weekend general election to crank up the pressure on the candidates to succeed Angela Merkel.

As Germany's top parties hold final rallies ahead of Sunday's vote, the Fridays for Future youth marches will make the case that the political class has let down the younger generation.

"The political parties haven't taken the climate catastrophe seriously enough," Luisa Neubauer, who runs the group's German chapter, told AFP.

Neubauer said "big change" would only be possible "if we create pressure from the streets" and tell the major parties "now there are no more excuses".

The race has boiled down to a two-way contest between Social Democrat Olaf Scholz, the moderate finance minister, and Armin Laschet from Merkel's conservative Christian Democrats.

Polls give Scholz a small lead of about 25 percent over Laschet at around 21 percent, with the candidate from the ecologist Greens, Annalena Baerbock, trailing in the mid-teens.

Despite the urgency of the climate issue for a majority of Germans, particularly in the aftermath of deadly floods in the west of the country in July, this has failed to translate into strong support for the relatively inexperienced Baerbock.

More than 400 "climate strikes" are planned across Germany, with the Swedish Thunberg, who inspired the movement, expected to speak outside the Reichstag parliament building.

Gathering under the banners "We are young and need the world!" and "Everything for the climate", the activists will argue the "climate crisis is this century's biggest problem".

- 'Unfair burden' -

The activists will be part of a global climate strike in more than 1,000 communities around the world, Fridays for Future said.

Their central demand is to limit the warming of the Earth to maximum 1.5 degrees Celsius (2.7 Fahrenheit) as laid out in the 2015 Paris climate accord.

The Paris agreement set a goal of reducing global warming by two degrees Celsius above pre-industrial levels with an aspiration to go further and cap the rise to 1.5 Celsius.

Despite Merkel's vocal support of climate protection measures, Germany has repeatedly failed in recent years to meet its emission reduction targets under the pact.

In a landmark ruling in April, Germany's constitutional court found the government's plans to curb CO2 emissions "insufficient" to meet the targets of the Paris agreement and placed an "unfair burden" on future generations.

The Fridays for Future movement launched global school strikes more than two years ago arguing that time was running out to stop irreversible damage from the warming of the planet.

In September 2019, it drew huge crowds in cities and towns around the world including 1.4 million protesters in Germany, according to organisers.

The outbreak of the coronavirus pandemic put the brakes on its weekly rallies but the election campaign in Europe's top economy has revitalised the movement.

"The climate crisis cannot be solved through party politics alone," Thunberg told reporters ahead of her appearance in Berlin.

"We can't just vote for change, we also have to be active democratic citizens and go out on the streets and demand action."

- Greens as junior partner? -

Around 60.4 million Germans are called to the polls on Sunday and most voters cite climate protection among their top priorities.

All three leading parties have said they aim to implement a climate protection agenda if elected, with the Greens presenting the most ambitious package of measures.

However the Fridays for Future activists have said even the Greens' official programme falls short of what is needed to stick to the 1.5 degree Celsius temperature rise.

The Greens want to end coal energy use by 2030 instead of the current 2038. They also want the production of combustion engine cars to end from the same year.

While the party is expected to fall far short of its ambition to win the election Sunday and place Baerbock in the chancellery, polls indicate it has a good chance of joining a ruling coalition as a junior partner under Scholz or Laschet.


Related Links
Climate Science News - Modeling, Mitigation Adaptation


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CLIMATE SCIENCE
Johnson says Glasgow climate talks 'turning point for humanity'
United Nations, United States (AFP) Sept 23, 2021
British Prime Minister Boris Johnson on Wednesday cast UN climate talks in Glasgow in November as a last chance for humanity as he made a passionate appeal for the world to slash carbon emissions. In a characteristically colorful speech before the United Nations as he seeks success in Glasgow, Johnson urged humanity not to treat the planet as an "indestructible toy" and warned of irreversible damage from climate change. "We will have made this beautiful planet effectively uninhabitable - not ju ... read more

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