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Publicity has surrounded claims of a global warming hiatus during the period 1998–2013. The exceptionally warm El Niño year of 1998 was an outlier from the continuing temperature trend, and so subsequent annual temperatures gave the appearance of a hiatus: by January 2006, it appeared to some that global warming had stopped or paused. [2]
In a 2024 survey, 76.3% of responding IPCC lead authors and review editors projected at least 2.5 °C of global warming by 2100; only 5.79% forecast warming of 1.5 °C or less. [98] January: the World Economic Forum projected that, by 2050, directly and indirectly, climate change will cause 14.5 million deaths and $12.5 trillion in economic losses.
In the meantime, global temperatures are climbing. Last month was the second-warmest October, according to Copernicus, and was 1.65 degrees Celsius warmer than pre-industrial levels, when humans ...
Climate denial groups may also argue that global warming has stopped, that a global warming hiatus is in effect, or that global temperatures are actually decreasing, leading to global cooling. These arguments are based on short-term fluctuations and ignore the long-term pattern. [23]
[250] [251] Heat stress can prevent outdoor labourers from working. If warming reaches 4 °C then labour capacity in those regions could be reduced by 30 to 50%. [252] The World Bank estimates that between 2016 and 2030, climate change could drive over 120 million people into extreme poverty without adaptation. [253]
Efforts to banish SO2 as a harmful air pollutant in China and elsewhere over the last decade have dampened its cooling effect and "unmasked" heat caused by greenhouse gases, thereby contributing ...
The rate Earth is warming hit an all-time high in 2023 with 92% of last year's surprising record-shattering heat caused by humans, top scientists calculated. The group of 57 scientists from around ...
The idea of net zero came out of research in the late 2000s into how the atmosphere, oceans and carbon cycle were reacting to CO 2 emissions. This research found that global warming will only stop if CO 2 emissions are reduced to net zero. [18]