Swimmers observe beach erosion is seen at Collaroy on the Northern Beaches as a high tide and large waves impact the coast on 10 February 2020 in Sydney, Australia. The Sydney area experienced its wettest weekend in more than 20 years, with strong winds and torrential rain causing flash flooding across the city. Photo: Brook Mitchell / Getty Images

Heaviest rain in decades brings Australia drought, fire relief – Scientists rush to predict mudflows from denuded hillsides

By Ainslie Chandler 10 February 2020 (Bloomberg) – Torrential rains along Australia’s east coast caused widespread power outages and property damage at the weekend, and while the downpour has doused many wildfires there are now concerns that drinking water supplies will be contaminated by the flooding. Sydney experienced its wettest 24 hours since 1992, with […]

Laurence Cowie on his property looking at the spreading bushfire in Canberra on 1 February 2020. Photo: Brook Mitchell / Getty Images

Plants safely store toxic mercury. Bushfires and climate change bring it back into our environment.

By Larissa Schneider, Colin Cooke, Nathan D Stansell, and Simon Haberle 29 January 2020 (The Conversation) – Climate change and bushfire may exacerbate recent mercury pollution and increase exposure to the poisonous neurotoxin, according to our study published in the Journal of Paleolimnology. Mercury stored in plants is released during bushfires, suggesting Australia is particularly at […]

Art by Breathe a Blue Ocean. Filmed and edited by Adam Stan Photography. Video: Adam Stan

Sand art for Australia wildlife: “Banksy of Barwon Heads” explains reason behind koala etched in sand on Victoria beach

By Sarah Jane Bell 21 January 2020 (ABC Ballarat) – An image of a koala clinging to a tree branch that has been etched in the sands of a Victorian beach has garnered international attention. A photograph of the 120-metre-long artwork near Barwon Heads, south of Geelong, shows a sunset obscured by bushfire smoke and has touched […]

Aerial images reveal fire threats near Canberra, Australia, on 1 February 2020. Video: NSW Rural Fire Service

Australia capital braces as hot, windy conditions fuel bushfires

By Will Ziebell 1 February 2020 MELBOURNE (Reuters) – Soaring temperatures and strong winds stoked unpredictable bushfires near Australia’s capital city on Saturday, closing a major highway and prompting warnings for some residents that it was too late to evacuate. Skies along the Monaro Highway in the Australian Capital Territory turned orange-red as an uncontrolled […]

The Clear Range Fire burns in Bredbo North, New South Wales, Australia shortly before overrunning the property of Lawrence and Clair Cowie on 1 February 2020. Photo: Brook Mitchell / Getty Images

Fires set stage for irreversible forest losses in Australia – “Anybody would have said these forests don’t burn, that there’s not enough material, and they are wet. Well they did.”

By Matthew Brown and Christina Larson 18 January 2020 (AP) – Australia’s forests are burning at a rate unmatched in modern times and scientists say the landscape is being permanently altered as a warming climate brings profound changes to the island continent. Heat waves and drought have fueled bigger and more frequent fires in parts of […]

Atmospheric CO2 concentrations, 2014-2019 and projected through 2020. Forecast (red) CO2 concentrations at the Mauna Loa observatory, with previous forecasts (blue) are compared to observations (black). The forecast uncertainty range (orange) based on the SST forecast is ± 2 standard deviations. Graphic: Met Office

Australia bushfires contribute to big rise in global CO₂ levels in 2020

By Grahame Madge 24 January 2020 (Met Office) – A forecast of the atmospheric concentration of carbon-dioxide shows that 2020 will witness one of the largest annual rises in concentration since measurements began at Mauna Loa, in Hawaii, 1958. During the year the atmospheric concentration of CO₂ is expected to peak above 417 parts per […]

Winter rainfall in eastern Australia, 1900–2019. The unprecedented lack of winter rains in 2017, 2018, and 2019, and Australia’s hottest summer on record, contributed to the extreme drought that affected 100 percent of New South Wales and 67.4 percent of Queensland in 2019 and 2020. Graphic: Bureau of Meteorology

Some say we’ve seen bushfires worse than this before. But they’re ignoring a few key facts.

By Joelle Gergis and Geoff Cary 13 January 2020 (The Conversation) – Every time a weather extreme occurs, some people quickly jump in to say we’ve been through it all before: that worse events have happened in the past, or it’s just part of natural climate variability. The recent bushfire crisis is a case in point. […]

Aerial views showing Australia landscape before and after the megafires of 2019 and 2020. Photo: Nearmap

Australia bushfires from the air: before and after images show scale of devastation

By Naaman Zhou 16 January 2020 (The Guardian) – More than 10.7m hectares of land have burnt so far in Australia’s bushfires – larger than the total area of South Korea, or Portugal, and 1.3 times the size of Scotland. The ongoing and unprecedented bushfire crisis has spread across six states and multiple months. In New South Wales alone, the […]

Satellite photography and UV aerosol index showing smoke from the Australia bushfires being transported across the Atlantic Ocean from 27 December 2019 to 8 Kanuary 2020. Graphic: Colin Seftor / NASA

Australia fire smoke will complete a full circuit of Earth, NASA says

14 January 2020 (BBC News) – Smoke from the massive bushfires in Australia will soon circle the Earth back to the nation, says NASA. Massive infernos have raged along the nation’s east coast for months, pushing smoke across the Pacific. NASA said plumes from blazes around New Year’s Day had crossed South America, turning skies […]

A boy cradles the body of dead endangered Brush-tailed rock-wallaby, found near a muddy puddle of water after a bushfire in Gosford, New South Wales, Australia, on 6 January 2020. The boy asked his father, Tim Faulkner, “They’re all dying aren’t they Dad?” Faulkner told him it was his job to save the world. Photo: Tim Faulkner / Facebook

Estimated number of animals killed in Australia bushfires rises to more than one billion – “Events like this may well hasten the extinction process for a range of species”

8 January 2020 (University of Sydney) – Professor Chris Dickman has revised his estimate of the number of animals killed in bushfires in NSW to more than 800 million animals, with a national impact of more than one billion animals. Several weeks ago Professor Dickman, from the University of Sydney’s Faculty of Science, estimated that 480 […]

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