The 'safe' threshold for global warming will be passed in just 6 years, scientists say

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Sascha is a U.K.-based trainee staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe.

Global carbon emissions are on track to exceed safe limits by 2030 and unleash the worst effects of climate change, new research suggests. This means we have just six years to change course and dramatically reduce greenhouse gas emissions.

In 2015, 196 world leaders signed the Paris Agreement, a legally binding treaty on climate change that aims to keep global average temperature below 2 C above preindustrial levels. The agreement stressed that limiting global warming to 1.5 C would help prevent the worst impacts of climate change. The new study is based on data used in a recent report by the Intergovernmental Panel on Climate Change, but Lamboll and colleagues revised the methods to account for the latest emissions and for historical aerosol emissions. Aerosols are small particles suspended in the air that can reflect sunlight and can cool the climate, partially offsetting the warming effects of greenhouse gases.

 

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