Australia had more supersized bushfires creating their own storms last summer than in previous 30 years : The Guardian

A pyrocumulonimbus (pyroCB) cloud generated by the Orroral Valley bushfire south of Canberra.
 During the 2019-20 summer there was a record number of these events. Photograph: Brook Mitchell/Getty Images

There was a near doubling of the record of pyrocumulonimbus (pyroCB) storms, royal commission hears

Tue 16 Jun 2020

Australia experienced more supersized weather-generating fires in the 2019-20 bushfire season than in the previous 30 years, the royal commission into national natural disaster arrangements has heard.

Huge thunderstorm-type clouds called pyrocumulonimbus form over fires in particularly hot, dry and dangerous conditions and are capable of generating their own winds and lightning.

They were once considered “bushfire oddities” but last summer there was a “near doubling of the record of these events, in one event,” Prof David Bowman told the royal commission on Tuesday.

Read The Guardian story

Unexpected future boost of methane possible from Arctic permafrost : NASA

melting permafrost

By Ellen Gray,
NASA's Earth Science News Team

New NASA-funded research has discovered that Arctic permafrost’s expected gradual thawing and the associated release of greenhouse gases to the atmosphere may actually be sped up by instances of a relatively little known process called abrupt thawing. Abrupt thawing takes place under a certain type of Arctic lake, known as a thermokarst lake that forms as permafrost thaws.

The impact on the climate may mean an influx of permafrost-derived methane into the atmosphere in the mid-21st century, which is not currently accounted for in climate projections.

The Arctic landscape stores one of the largest natural reservoirs of organic carbon in the world in its frozen soils. But once thawed, soil microbes in the permafrost can turn that carbon into the greenhouse gases carbon dioxide and methane, which then enter into the atmosphere and contribute to climate warming.

Read the article

As Protests Rage Over George Floyd’s Death, Climate Activists Embrace Racial Justice: Insideclimatenews

#climatejustice

When New York Communities for Change helped lead a demonstration of 500 on Monday in Brooklyn to protest George Floyd's killing in Minneapolis, the grassroots group's activism spoke to a long-standing link between police violence against African Americans and environmental justice.

Elizabeth Yeampierre, executive director of UPROSE, Brooklyn's oldest Latino community-based organization, said she considers showing up to fight police brutality and racial violence integral to her climate change activism. 

Bronx Climate Justice North, another grassroots group, says on its website: "Without a focus on correcting injustice, work on climate change addresses only symptoms, and not root causes."

Read the Inside Climate News article

Banking on gas will leave us stranded: SMH

Covid-19 pandemic

"When I, and others, proposed gas as a transition fuel some 30 years ago, the price of solar was multiples of its current price, so gas was a quicker and more cost-effective means of achieving a reduction in emissions of some 40 to 60 per cent relative to coal.

However, as Chief Scientist Alan Finkel admitted in his recent address to the National Press Club, “the cost of producing electricity from wind and solar is now around $A50 per megawatt hour and [even with effective storage] the price … is lower than existing gas-fired electricity generation and similar to new-build, coal-fired electricity generation … and is set to drop even further”.

And with solar and wind technology proven, in the sense that financiers accept the risk without premium, why wouldn’t the government seek the development of grid-scale storage to achieve 100 per cent renewables? Clearly Morrison and his team have sold out to the likes of the Minerals Council and the fossil fuel lobby, whose influence is now conspicuous in the focus of the COVID recovery commission."

John Hewson

June 5

Read the complete SMH article 

Energy

Keep an open mind on fossil fuelled hydrogen, Chief Scientist says

The suggestion of a pipeline linking large the gas fields off

More jobs in renewable-led COVID-19 economic recovery, EY report finds:ABC

Cooked coral reefs

A renewables-led economic recovery will create almost three times as many jobs as a fossil-fuel-led recovery, according to a report by economic consultancy Ernst and Young (EY).

Key points:

• The EY report, commissioned by conservation group WWF, called for a mix of incentives, subsidies and regulations
• The Government has indicated a preference for gas production to lead the country's recovery
• Business groups say Australia needs to approach recovery as "an opportunity, not as a challenge"

The newly published report proposed six focus areas, which it said would simultaneously stimulate the economy and move Australia towards net-zero greenhouse gas emissions by 2050, in accordance with the 2015 Paris Agreement.

While the Federal Government has spoken of a "gas-fired" COVID-19 recovery, the EY report, commissioned by conservation group WWF Australia, argues replacing fossil fuels with renewable electricity and hydrogen will be better for the economy. 

"We can rebuild our economy in a way that sets up Australia for prosperity in a world hungry for a low-carbon future," WWF Australia energy transition manager Nicky Ison said.

Read the complete article

The Australien Government has made an ad about its Economic Recovery Plan, and it’s surprisingly honest and informative.

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Solar and wind’s stunning cost advantage sparks call for mass coal closure: RenewEconomy

climate emergency

A new global study has highlighted the growing advantage of wind and solar costs over new and even existing coal generators, so much so that a decision to replace 500GW (gigawatts) of old coal plant with new renewables would deliver annual savings of $23 billion ($A34 billion) and a timely $A1.4 trillion economic boost.

This is one of the headline findings of Renewable Power Generation Costs 2019, put together by the International Renewable Energy Agency, which notes that the cost of solar has fallen by 82 per cent over the past decade and onshore wind by 39 per cent.

This puts the cost of more than half the wind and solar farms installed across the globe in 2019 below the cheapest new coal plants, and below even many existing coal plants. Remember, this is a global average, so includes regions where the quality of the wind or solar resource may not be so good, and is for renewable generators completed in 2019.

Read the RenewEconomy story 

#jailclimatecriminals