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The biggest science news stories of 2023 as chosen by �鶹��ý

AI chatbots and a weight-loss drug swept the world, temperature records tumbled and India landed on the moon in a year of astonishing science news

News

2R7B07K London, UK. 14th June 2023. UK screenwriters and Writers? Guild Of Great Britain (WGGB) members stage a rally in Leicester Square in solidarity with striking screenwriters in the USA. Credit: Vuk Valcic/Alamy Live News

Technology

Artificial intelligence and climate change were 2023's twin challenges

Leader

EVROS, GREECE - AUGUST 31: A firefighters runs as wildfire intensifies in the village of Sidiro and Yannuli in Evros, Greece on August 31, 2023. Efforts to extinguish wildfire continues. (Photo by Ayhan Mehmet/Anadolu Agency via Getty Images)

Environment

Why 2023 was almost certainly the hottest year ever recorded

News

Youth from Fridays for Future organization stage a protest calling to cease fires and end fossil fuels in the conference venue, Blue Zone during the COP28, UN Climate Change Conference, held by UNFCCC in Dubai Exhibition Center, United Arab Emirates on December 8, 2023. COP28, running from November 30 to December 12 focuses on particular nations' decarbonisation goals. The Conference in Dubai focuses also on the most vulnerable communities and Loss and Damage (Photo by Dominika Zarzycka/NurPhoto via Getty Images)

Environment

How 2023 saw the UK going backwards on climate issues

Comment

Environment

COP28 deal has loopholes that could weaken its impact on emissions

News

Science and technology's newest words and what they tell us about 2023

Environment

Science and technology's newest words and what they tell us about 2023

Features

Environment

Why are COP28 fossil fuel talks held up and why does it matter?

News

Environment

COP28: Why a climate adaptation deal is a ‘matter of life or death’

News

A fire in Tenterfield, New South Wales, Australia, on 1 November - a potential example of extreme weather conditions brought about by climate change

Environment

World predicted to break 1.5°C warming limit for first time in 2024

News

Environment

Ancient climate analysis suggests CO2 causes more warming than thought

A reconstruction of 66 million years of climate history indicates global temperature may be even more sensitive to carbon dioxide levels than current models estimate

News

Environment

We can trigger positive tipping points to cut carbon emissions faster

News

Environment

Major climate tipping points could be triggered within a decade

News

Environment

Carbon dioxide emissions from fossil fuels hit another all-time high

News

Environment

How big a problem are methane and other non-CO2 greenhouse gases?

News