气候指标
三重拉尼娜现象导致去年南美出现严重旱灾
在过去的三年里，南美一直在经历长期干旱。巴拉那河（南美洲第二长的河流）的水位已骤降至近80年来的最低水平，而阿根廷正面临60年来最严重的干旱。
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气候指标
South American drought in 2022 partly driven by ‘triple-dip’ La Niña
South America has been suffering through a prolonged dry spell for the past three years. Water levels in the Paraná River – the second-longest river in South America – have plummeted to t...
气候指标
Polar bears and climate change: What does the science say?
The image of a polar bear stranded on melting sea ice is often used as a symbol of the world’s rapidly changing climate. Yet every now and again, claims emerge in the media that polar bea...
气候变化
West Africa’s deadly rainfall in 2022 made ‘80 times more likely’ by climate change
Extreme rainfall which triggered deadly flooding across West Africa this year was made “about 80 times more likely” by human-caused climate change, according to a new rapid attribution st...
气候变化
Climate change made 2022’s northern-hemisphere droughts ‘at least 20 times’ more likely
The droughts seen across the northern hemisphere this summer were made “at least 20 times more likely” by human-caused climate change, according to a new “rapid-attribution” study.
英国
Analysis: How the UK’s ‘insane’ 40C heat was forecast ‘weeks in advance’
The UK has provisionally breached 40C for the first time ever, reaching 40.2C at London Heathrow airport. Before this heatwave, temperatures of 40C had never even been forecast for the UK...
气候变化
Ocean warming drove 10% rise in 'extreme' rainfall from Atlantic hurricanes in 2020
The 2020 Atlantic hurricane season was the most active on record, featuring an unprecedented 30 named storms. The attribution study, published in Nature Communications, investigates the i...
食品与营养安全
Rich nations could see ‘double climate dividend’ by switching to plant-based foods
Animal-based foods have higher carbon and land footprints than their plant-based alternatives, and are most commonly consumed in high-income countries. The study, published in Nature Food...
环境及自然资源安全
Arctic sea ice summer minimum in 2021 is ‘12th lowest’ on record
Arctic sea ice has reached its annual minimum for 2021, clocking in at the 12th lowest on record, according to provisional data from the US National Snow and Ice Data Centre (NSIDC).
气候变化
Climate change has driven 16% drop in ‘snow meltwater’ from Asia’s high mountains
Asia is home to the world’s “third pole” – the largest volume of fresh water outside of the polar ice sheets. Melting snowpacks and glaciers from this region feed some of the largest rive...
可持续发展目标13：气候行动
Cooling effect of clouds ‘underestimated’ by climate models, says new study
Clouds could have a greater cooling effect on the planet than climate models currently suggest, according to new research.
水资源
Satellite data reveals impact of warming on global water cycle
Evapotranspiration – the transfer of water from the ground into the air through a combination of evaporation and transpiration – increased globally by 10% between 2003 and 2019, according...
气候变化
Melting glaciers drove 21% of sea level rise over past two decades
Glacier melt across the world has accelerated over the past two decades, a new study finds, with the resulting meltwater accounting for 21% of global sea level rise over the same period.
气候变化
How climate change can impact the timing of lake stratification, with drastic consequences
New research shows that lake “stratification periods” – a seasonal separation of water into layers – will last longer in a warmer climate.
气候变化
Impact of climate change on ‘endemic’ plants and animals to be the hardest, study warns
Plants and animals that only live in one region – known as “endemic” species – are expected to be “consistently more adversely impacted” by climate change than their less specialised coun...