Planet faces 2030 D-day, climate scientists warn

By MiNDFOOD

Planet faces 2030 D-day, climate scientists warn

Urgent changes are needed to cut the risk of extreme heat, drought, floods and poverty, says a new United Nations climate change report.

Governments around the world must take “rapid, far-reaching and unprecedented changes in all aspects of society” to avoid disastrous levels of global warming, says a stark new report from the global scientific authority on climate change.

The world’s leading climate scientists have warned there is only a dozen years for global warming to be kept to a maximum of 1.5C, beyond which even half a degree will significantly worsen the risks of drought, floods, extreme heat and poverty for hundreds of millions of people.

The authors of the landmark report by the UN Intergovernmental Panel on Climate Change (IPCC) released on Monday say urgent and unprecedented changes are needed to reach the target, which they say is affordable and feasible although it lies at the most ambitious end of the Paris agreement pledge to keep temperatures between 1.5C and 2C.

“This is concerning because we know there are so many more problems if we exceed 1.5 degrees C global warming, including more heatwaves and hot summers, greater sea level rise, and, for many parts of the world, worse droughts and rainfall extremes,” Andrew King, a lecturer in climate science at the University of Melbourne, said in a statement.

World leaders have been told they have moral obligation to ramp up their action on the climate crisis in the wake of the report. But the muted response by Britain, Australia and other governments highlights the immense political challenges facing adoption of pathways to the relatively safe limit of 1.5C above pre-industrial temperatures outlined. 

Global net emissions of carbon dioxide would need to fall by 45% from 2010 levels by 2030 and reach “net zero” around 2050 in order to keep the warming around 1.5 degrees C.

Lowering emissions to this degree, while technically possible, would require widespread changes in energy, industry, buildings, transportation and cities, the report says.

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