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The Observer view on climate change: Hurricane Milton is a portent – but it’s not too late | Observer editorial

TThe catastrophe caused by Hurricane Milton provided clear evidence that we are entering a significant and alarming new phase in the global climate crisis. Increasing fossil fuel emissions are causing ocean temperatures and sea levels to rise, creating some of the most destructive storms Florida has ever seen. Together with Hurricane Helen, approximately 250 people died and thousands of homes were destroyed. Florida remains in turmoil, and forecasters warn there's more to come.

This grim outlook should prompt Florida's political leaders to take urgent action to protect the state. Surprisingly, this is not the case. Despite intensifying hurricanes and worsening flooding over the past decade, Governor Ron DeSantis has consistently maintained his belief that global warming poses a threat to Florida and that the phenomenon exists in the first place. I have rejected the idea of ​​doing so. A few weeks ago, he signed legislation that removed the term “climate change” from state law, effectively pledging the state's future to burning fossil fuels. Such behavior is a nuisance.

Mr. DeSantis is a Republican, but fellow US presidential candidate Donald Trump also vehemently denies the issue of climate change. If the latter wins next month's election, the hardships afflicting Florida will intensify and be repeated across the nation and other parts of the globe. President Trump has vowed to dismantle environmental policies introduced by President Joe Biden, promising to allow more fossil fuel production through drilling on public lands. In doing so, President Trump is allowing billions of extra tons of carbon to be pumped into an already overheated atmosphere and encouraging other countries to waver in their efforts to combat global warming. This will send a clear signal that there is no need to go out of your way to increase global warming. Activities.

Such a completely plausible scenario would have severe consequences for a planet already on the brink of extinction. Global temperatures are approaching the 1.5 degree rise that the 2015 Paris Agreement pledged to prevent. A 2°C rise now seems inevitable, and it is likely to get worse after that. Jim Skee, chairman of the Intergovernmental Panel on Climate Change (IPCC), recently warned that the world is on track for 3 degrees of warming by 2100 if current policies remain in place. In addition to catastrophic sea level rise and the displacement of millions of people who have made their homelands uninhabitable, such an overheated world will face several catastrophes, from the runaway melting of ice sheets to the desiccation of the Amazon rainforest. You will probably pass a point of no return. . The Earth will become both meteorologically and politically unstable.

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This is an unusual situation, made even more so by the basic observation that we have known about these dangers for decades and yet have taken little action that could deflect them. This is a worrying situation. In a few weeks, politicians and scientists will meet at the United Nations climate change conference, Cop29, in Baku, the capital of Azerbaijan. The conference should be an opportunity for world leaders to galvanize countries into action. That is unlikely, and much of the debate is expected to focus on how rich countries can pay poorer countries to transition away from fossil fuels and adapt to the worst effects of climate change. A pledge to stop burning fossil fuels was agreed in principle at the last police conference, but there has been little movement, observers say. Carbon emissions are likely to continue for a long time.

This leaves the world with one final option. If we refuse to stop burning fossil fuels fast enough, we will have to find ways to capture the resulting emissions either as they are produced or, in the future, after they reach the atmosphere. This means developing ways to extract carbon emissions from factories and power plants and sequester them. This is carbon capture and storage (CCS), with Energy Secretary Ed Miliband announcing £22bn of investment in CCS schemes that will ultimately emit 8.5 million tonnes of carbon dioxide a year. It's a process that has recently received a major boost in the UK. It has been removed from emissions from industrial plants in the UK.

It should be noted that the UK emitted 384 million tonnes of carbon dioxide last year, so this plan clearly makes little difference to its overall contribution to global warming. But success would highlight a path to tackling the crisis by giving us additional weapons in the fight against global warming, alongside renewable energy, electric cars and home insulation. . From that perspective, Miliband deserves congratulations, but questions remain. For example, why should public money be used to clean up emissions produced by fossil fuels, which generate huge profits for private companies?

The important thing is that we are not stopping global warming. We can't stop atmospheric carbon from reaching dangerous levels right away, so we need to find ways to remove it once it reaches dangerous levels. Addressing the greatest threats facing civilization today will require all the weapons that can be developed for this purpose. Another option is the global spread of the carnage that engulfed Florida last week.

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