Parts of Central and Eastern Europe were catastrophically flooded as they were struck by Storm Boris.
The European Union's climate service declared that 2023 was the hottest year on record.
A Virgin Airlines plane became the first to fly using 100% sustainable jet fuel.
Colombia began a campaign to sterilize Pablo Escobar's wild hippos.
The FDA gave Elon Musk the go-ahead to trial his Neuralink brain implants on humans.
Hurricane Ian made landfall in Florida.
The FDA authorized the first breathalyzer test that detects COVID-19.
The UN released a report warning that 14% of Earth's species face a very high risk of extinction.
A 57-year-old man received the first transplanted heart from a genetically modified pig.
Scientists discovered the world's first 'true' millipede in Western Australia.
Over 40 camels were disqualified from the King Abdulaziz Camel Festival's beauty pageant.
The crew aboard the International Space Station celebrated Thanksgiving.
Two wild boars attacked Shakira in Barcelona while she was in a park, during which they took her bag of personal items.
UNESCO recommended that Australia's Great Barrier Reef be listed as World Heritage Site 'in danger.'
Thousands of pigeons went missing after a freak weather incident.
The World Health Organization approved the Sinopharm COVID-19 vaccine for emergency use.
Johns Hopkins University announced that the number of people who died worldwide due to the COVID-19 pandemic had reached three million.
The US FDA approved the Pfizer COVID-19 vaccine for emergency use.
Coca-Cola was named the world's largest plastic polluter by the charity 'Break Free From Plastic.'
Elon Musk unveiled a pig called Gertrude with a coin-sized computer chip in her brain.
Tourists in Kazakhstan beat a seal unconscious on a beach so that children could take pictures with it.
The first known animal contracted COVID-19.
British Prime Minister Boris Johnson was taken to hospital after testing positive for COVID-19.
Shenzhen became the first Chinese city to ban eating cats and dogs.
The World Health Organization (WHO) confirmed that the spread of COVID-19 was now at a Pandemic stage.
Scientists observed the biggest explosion in the universe, 390 million light-years away.
An animal was discovered to not need Oxygen to breathe.
$10 billion was pledged to help fight climate change by Amazon's CEO, Jeff Bezos.
Coronavirus was declared a Public Health Emergency of International Concern by the World Health Organization (WHO).
Diego, a 100-year-old tortoise, was retired from a breeding program after fathering 800+ children.
Justin Bieber posted on Instagram that he has Lyme disease, a bacterial illness spread by ticks.
Australia recorded its hottest day ever with an average temperature of 105°F across the country.
The longest ever United Nations climate talk ended.
The deepest point of land was identified.
Climate activist Greta Thunberg was named Time magazine's Person of the Year.
The World Health Organization announced that 142,000 people died of measles around the world in 2018, nearly 20,000 more than in 2017.
North American migratory birds getting smaller, their wings wider due to climate change according to study by University of Michigan published in journal 'Ecology Letters'.
Snake fossils found in Rio Negro Province, Argentina, showed snakes with hind legs that lived over 70 million years ago.
Oxford Dictionaries declared 'climate emergency' as the word of the year for 2019.
The Brazilian Space Agency announced that the country's Amazon rainforest had suffered its biggest spike in deforestation in over a decade.
Climate Control reported that rising sea levels would 'erase' many coastal cities by as early as 2050.
Forty-two people were buried alive in a landslide in Bafoussam, Cameroon.
Bernie Sanders suffered a heart attack.
A super-massive iceberg broke away from Antarctica.
Elon Musk announced that he was building a spaceship called Starship that would travel to Mars and return to Earth.
The World Health Organization announced that they would give measles vaccinations to 800,000 children in the Democratic Republic of the Congo.
The climate change rally led by activist Greta Thunberg saw millions of protesters worldwide standing up for urgent action.
The American Bird Conservancy released a study indicating that the bird population in North America had reduced by around 3 billion.
During the Senate climate crisis task force, climate change activity Greta Thunberg said, 'You're not trying hard enough. Sorry.'
Amateur astronomer Gennady Borisov discovered a strange comet in another star system.