A recent paper in the journal "Nature" reports that although the 2019–20 Australian brushfires produced 700 million tonnes of carbon dioxide, they also resulted in a massive phytoplankton bloom larger in size than all of Australia that absorbed carbon dioxide as part of the photosynthesis process. The smoke also deposited approximately three times the amount of iron normally found in the ocean.
Dozens of climate activists surround the offices of American investment management company BlackRock in central Paris and vandalize the building, demanding they disinvest from the fossil fuel industry.
The "chargé d'affaires" of the U.S. Embassy in Beijing, China, resigns following President Donald Trump's announcement he will withdraw the United States from the 2015 international Paris Agreement on climate change mitigation.
Thousands of people gather in Canberra, Australia to protest the introduction of a carbon tax, Prime Minister Julia Gillard met the Australian Youth Climate Coalition which is pushing for a price on emissions, while climate change mitigation activists including the Australian Council of Trade Unions delivered a petition to Minister for Climate Change and Energy Efficiency Greg Combet signed by about 10,000 "working Australians" urging the government to take action.