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Early warning: human detectors, drones and the race to control Australia’s extreme blazes

For a century, humans high up in fire towers have sounded the alarm. But breakthroughs in technology may offer something more

Perched in his fire tower high above the pine trees, Nick Dutton leans back and nods to the cascading hills and mountains behind him.

“I love being out here, just away from stuff,” he says. “I mean, you can’t really complain.”

Related: The megafires and pandemic expose the lies that frustrate action on climate change | Tim Flannery

Because at the end of the day, the human eye is going to be much better.

Related: The megafires and pandemic expose the lies that frustrate action on climate change | Tim Flannery

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The house that cork built: is this the ultimate eco-friendly material?

Using cork to clad an extension – inside and out – was a speedy, sustainable and affordable choice for this family home

When Dan Barber and Hat Margolies bought a two-bed Victorian terrace house in 2013, the entire building needed an overhaul. It had leaky pipes, asbestos and rattling windows; and it needed rewiring, new radiators and a new boiler. Wind whistled through the front room floorboards. “The light and proportions made it really special but there were no original features – the fireplaces had long gone,” says Margolies, a photographic agent with an eye for vintage furniture.

But the couple saw it as a chance to make their new home, in south London, as eco-friendly as they could: to conserve energy, and recycle and reuse as much as possible. They lived with the house as it was for five years, during which time their second daughter was born, and then employed NimTim architects to transform it on a tight budget.

Related: ‘When we can, we’d love to throw a party to show it off’: designers on their lockdown DIY

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'How do we become a serious people again?' Dave Eggers, Annie Proulx and more on the 2020 election

How is America faring after four years of Donald Trump? Which way will voters turn? US authors including Richard Powers, Ocean Vuong and Kiley Reid share their hopes and fears

We had fed the heart on fantasies,The heart’s grown brutal from the fare,More substance in our enmitiesThan in our love …

Over the carnage rose prophetic a voice,Be not dishearten’d – Affection shall solve the problems of Freedom yet;Those who love each other shall become invincible.

Trump is a catalyst in this cauldron of miseries. Take him out of the mix and we have a chance

By the end of 2020, 400,000 Americans will have died to prove that simple government competence matters

Biden proclaims that healthcare is a human right while opposing any plan that would realise that right

I wouldn’t be surprised if it is a Trump election again

The elections will not end our mourning, no matter who wins – we have lost too much

I wonder how many Republicans have had disturbing thoughts about what their grandchildren will make of them in retrospect

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Mathias Cormann wants to be a chameleon on climate change when we've got a bin fire instead of a plan | Katharine Murphy

Does a late conversion somehow void the finance minister’s previous statements and the Coalition’s decade of shame?

The window for attaining net zero emissions by 2050 and holding temperature increases to safe levels is “rapidly closing”. Evidence is mounting that the world is closer to abrupt and irreversible changes, “so-called tipping points”, than previously thought. Without further action to reduce greenhouse gas emissions, “the planet is on course to reach temperatures not seen in millions of years, with potentially catastrophic implications”.

This commentary is not from the annual general meeting of the Wild-Eyed Leftists Association, or the board minutes from the Suspicious Progressives Cooperative of Lower Bermagui. It’s from the International Monetary Fund, a fortnight ago, in the World Economic Outlook.

Related: Morrison government 'ignored' Climate Change Authority's advice on Covid recovery

Related: Australian company directors call for more infrastructure spending and a Green New Deal

Related: Queensland 2030 climate target would be scrapped if LNP win election as state’s emissions rise

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Campaigners criticise global deal on carbon emissions from shipping

Green groups say agreement will allow emissions to continue to rise in the next decade

Governments have rejected calls for tougher regulation of international shipping, settling instead for new rules on reducing greenhouse gas emissions that campaigners say will imperil the Paris climate goals.

The International Maritime Organization (IMO), the UN body that regulates international shipping, agreed on Friday after a week-long online meeting to make an existing target legally binding: to reduce the carbon intensity of shipping by 40% compared with 2008 levels in the next 10 years.

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After a category 5 hurricane, nature saved me. It has the power to save us all | Michael Lees

Maria devastated Dominica. But the islanders’ connection to the natural world gave them a resilience the west can’t match

In June 2017, I packed up some basic tools, religious texts and my camera gear, and headed back home to the Caribbean island of Dominica. A year earlier, while living in New York, a simple question had started to dominate my thinking: what if the life we humans were happiest in was back in the so-called ‘“Garden of Eden?’” When we lived in sync with nature and were not on the brink of destroying it.

I decided Dominica would be the perfect place to test this hypothesis. Known as the Nature Isle of the Caribbean, it is sparsely populated, boasts crystal clear rivers, and a mountainous terrain, and is heavily cloaked in tropical rainforest.

Related: Drought, plague, fire: the apocalypse feels nigh. Yet we have tools to stop it | Art Cullen

Related: Hurricane Maria's legacy: how the rise of nationalism creates climate victims

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Humanity has eight years to get climate crisis under control – and Trump's plan won't fix it

Donald Trump presented a fantasy world in which fossil fuels are ‘very clean’ but realpolitik tempers Biden’s climate crisis stance

In Donald Trump’s world – laid bare during Thursday night’s final presidential debate with his Democratic rival Joe Biden in Nashville – fossil fuels are “very clean”, the US has the best air and water despite his administration’s extensive regulatory rollbacks, and the country can fix climate change by planting trees.

Related: Biden mauls Trump's record on coronavirus in final presidential debate

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Mathias Cormann talks up green recovery as part of his pitch to lead OECD

The outgoing finance minister in 2016 said Australia’s economy was ‘in better shape because we scrapped Labor’s carbon tax’

The outgoing finance minister, Mathias Cormann, has talked up the importance of pursuing “a green recovery with an increased reliance on renewables” in remarks to a business conference organised by the German government.

Cormann – who publicly celebrated the repeal of Labor’s carbon price as part of the incoming Abbott government – is serving out his last weeks in politics before focusing on a campaign to be the next secretary general of the Paris-based Organisation for Economic Co-operation and Development.

Related: Mathias Cormann nominated for OECD top job despite its criticism of Coalition’s climate change policy

Related: Morrison government 'ignored' Climate Change Authority's advice on Covid recovery

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Alarm as Arctic sea ice not yet freezing at latest date on record

Delayed freeze in Laptev Sea could have knock-on effects across polar region, scientists say

For the first time since records began, the main nursery of Arctic sea ice in Siberia has yet to start freezing in late October.

The delayed annual freeze in the Laptev Sea has been caused by freakishly protracted warmth in northern Russia and the intrusion of Atlantic waters, say climate scientists who warn of possible knock-on effects across the polar region.

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Aggressive push to 100% renewable energy could save Americans billions – study

As much as $321bn could be saved with complete switch to clean energy sources, Rewiring America analysis finds

An aggressive push towards 100% renewable energy would save Americans as much as $321bn in energy costs, while also slashing planet-heating emissions, according to a new report.

Joe Biden, the Democratic presidential nominee, has vowed to eliminate greenhouse gases from the US power grid within 15 years and essentially zero out emissions by 2050, a plan assailed by Donald Trump as costly and detrimental to the American economy.

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