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Dip-buyers failed to support EU carbon prices on Wednesday as the benchmark contract fell more than 5% to a four-day low below €20.

A study has revealed 70 per cent of the Northern Bettong population has disappeared. This has prompted calls to establish a so-called "insurance population" to make sure the marsupials don't disappear completely.

Poland intends to auction 55.8 million unallocated EU Allowances that it had set aside during 2013-2017 to help decarbonise its power sector, roughly doubling the number of permits the country had been expected to sell next year, the European Commission said late Wednesday.

California utilities are asking regulator ARB to withdraw its proposal to regulate indirect emissions from the Energy Imbalance Market (EIM) and continue its existing policy through 2019, according to public comments.

Negotiators substantially cut down the draft text of the Paris Agreement’s Article 6 concerning international emissions trading on Wednesday, though sources said that much work remains to be done over the next week-and-a-half of UN talks in Katowice.

For the second year in a row global greenhouse emissions from fossil fuels have risen, putting 2018 on course to set a new record, according to an annual audit from the Global Carbon Project. Pep Canadell, CSIRO Scientist, and Executive Director of the Global Carbon Project, CSIRO Corinne Le Quéré, Professor, Tyndall Centre for Climate Change Research, University of East Anglia Glen Peters, Research Director, Center for International Climate and Environment Research - Oslo Robbie Andrew, Senior Researcher, Center for International Climate and Environment Research - Oslo Rob Jackson, Chair, Department of Earth System Science, and Chair of the Global Carbon Project, globalcarbonproject.org, Stanford University Licensed as Creative Commons – attribution, no derivatives.

South Australia's energy prices have gone up as more renewables entered the market – but prices would have gone up even more without them. Bruce Mountain, Director, Victoria Energy Policy Centre, Victoria University Dr Steven Percy, Research fellow, Victoria University Licensed as Creative Commons – attribution, no derivatives.

Run-off from vast ice sheet is increasing due to manmade global warming, says study

Rising sea levels could become overwhelming sooner than previously believed, according to the authors of the most comprehensive study yet of the accelerating ice melt in Greenland.

Run-off from this vast northern ice sheet – currently the biggest single source of meltwater adding to the volume of the world’s oceans – is 50% higher than pre-industrial levels and increasing exponentially as a result of manmade global warming, says the paper, published in Nature on Wednesday.

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Scientists identify fossilised blubber from an ancient marine reptile that lived 180 million years ago.

CO2 emissions hit an all time high, rising nearly 3% in 2018 thanks to coal and a booming global market for cars.

Rapid cuts needed to protect billions of people from rising emissions due to increase in use of cars and coal

Global carbon emissions will jump to a record high in 2018, according to a report, dashing hopes a plateau of recent years would be maintained. It means emissions are heading in the opposite direction to the deep cuts urgently needed, say scientists, to fight climate change.

The rise is due to the growing number of cars on the roads and a renaissance of coal use and means the world remains on the track to catastrophic global warming. However, the report’s authors said the emissions trend can still be turned around by 2020, if cuts are made in transport, industry and farming emissions.

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Emitters increased their buying of German EUAs in October, taking advantage of sinking prices, a new report shows.

Global warming and fossil fuel pollution already killing many, UN climate summit told

Tackling climate change would save at least a million lives a year, the World Health Organization has told the UN climate summit in Poland, making it a moral imperative.

Cutting fossil fuel burning not only slows global warming but slashes air pollution, which causes millions of early deaths a year, the WHO says. In a report requested by UN climate summit leaders, the WHO says the economic benefits of improved health are more than double the costs of cutting emissions, and even higher in India and China, which are plagued by toxic air.

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Rail operator said ‘safety aspect’ was involved in giving those on board disposable cups

A rail operator has done a U-turn and agreed to let passengers use their own reusable cups for hot drinks bought on board its trains after criticism by environmental campaigner Hugh Fearnley-Whittingstall.

South Western Railway changed its policy after the chef complained on Twitter during a journey that buffet car staff – employed by catering company Rail Gourmet – had “refused” to pour tea into his refillable cup.

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A UK-based team arrives in Greece for the grand final of a contest to find innovative solutions for seafloor mapping.

Some 40 companies, business group and environmental organisations on Wednesday released the ‘Katowice Declaration on Sound Carbon Accounting’ to avoid double counting of emission cuts in carbon markets set up under the Paris Agreement and ICAO.

With Sir David Attenborough warning that the extinction of much of the natural world is "on the horizon", do we need an All Ordinaries Index for our wildlife?

Exclusive: a new study reveals the scale of how public lands are being opened up to the energy industry. The Guardian heard from three communities on the frontlines

In the great expanses of the Grand Staircase-Escalante national monument, the silence hits you first. Minutes pass, smooth and unbroken as glass. The smallest sound – a breath of wind, a falling rock – can seem as loud as passing traffic.

Colter Hoyt knows this landscape well. As an outdoor guide, he walks the monument almost daily. Yet these days he is full of fear. This remote paradise of red rocks, slot canyons and towering plateaus faces an uncertain future, following a controversial presidential proclamation that removed 800,000 acres from the monument and opened land up for potential energy development.

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Current food habits will lead to destruction of all forests and catastrophic climate change by 2050, report finds

People in rich nations will have to make big cuts to the amount of beef and lamb they eat if the world is to be able to feed 10 billion people, according to a new report. These cuts and a series of other measures are also needed to prevent catastrophic climate change, it says.

More than 50% more food will be needed by 2050, according to the World Resources Institute (WRI) report, but greenhouse gas emissions from agriculture will have to fall by two-thirds at the same time. The extra food will have to be produced without creating new farmland, it says, otherwise the world’s remaining forests face destruction. Meat and dairy production use 83% of farmland and produce 60% of agriculture’s emissions.

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Prospects for species look dire as federal science body finds that only one of the country’s 16 populations is believed to be stable

Half of Canada’s chinook salmon are endangered, with nearly all other populations in precarious decline, according to a new report, confirming fears that prospects for the species remain dire.

The report by the Committee on the Status of Endangered Wildlife in Canada concluded that eight of the country’s 16 populations are considered endangered, four are threatened, one is of special concern and the health of two remain unknown.

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