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The I.P.C.C. Report Offers a Clear Message

The I.P.C.C. Report Offers a Clear Message

An international panel offers a warning about the dangers of fossil fuels, and also a blueprint to change course.

“There is a rapidly closing window of opportunity to secure a livable and sustainable future for all (very high confidence).”

This is the most striking sentence in a 37-page summary, issued today, of the latest report by the Intergovernmental Panel on Climate Change. It tells us what’s possible. It tells us the stakes.

The report has been compiled by hundreds of scholars and approved by the representatives of 195 countries. The italicized phrase represents the authors’ degree of certainty. The italics are theirs, not mine.

The report is sobering, gut-wrenching and above all, practical. Its clearest takeaway: The continued use of fossil fuels is harming all of us, and harming some of us a lot more.

It lays out the present impacts and imminent risks of climate change and it offers a number of options to both adapt to an inevitably hotter planet and prevent Earth from getting unmanageably hotter still. It calls for a swift, sharp reduction in fossil fuel use if the world is to stay within a relatively safe planetary boundary. That is, to limit the global average temperature to within 1.5 degrees Celsius, or 2.7 degrees Fahrenheit, above preindustrial levels.

It plainly warns that the world is on track to exceed that threshold, at least temporarily, in the first half of the 2030s.

The actions taken during this decade will “largely determine” what happens for centuries to come.

The Secretary General of the United Nations, António Guterres, called it a “how to guide to defuse the climate time bomb.”

Where are we now?

The average global temperature is 1.1 degrees Celsius higher than it was at the start of the industrial age. It’s risen faster since 1970 than during any 50 year period.

That much warming has already threatened food and water security, the report concludes, brought on “trauma” after extreme weather events and the “loss of livelihoods and culture.”

We are not the only species at risk, as “impacts on some ecosystems are approaching irreversibility.”

The summary is striking for how many references it includes to losses and damages already suffered by communities around the world.

We are not all the same.

Among the world’s 8 billion people, 10 percent of households are responsible for 34 to 45 percent of greenhouse gas emissions. (We told you about the climate footprints of the richest 10 percent in an earlier newsletter.)

“Vulnerable communities who have historically contributed least to current climate change are disproportionately affected,” the report said. (Read more in our series, published in 2020, called Inequity at the Boiling Point.)

Where are we headed?

There’s a high chance of exceeding the 1.5 degree mark, as my colleague Brad Plumer writes in his article on the report.

But it’s possible to shift course. That would require reducing greenhouse gases by half by 2030 and, after that, adding no more carbon dioxide to the atmosphere by the early 2050s.

Even if the global average rises above 1.5 degrees Celsius, every degree after that matters, Joeri Rogelj, director of research at the Grantham Institute for Climate Change and the Environment at Imperial College London, told Brad. “There’s clear evidence that 1.5 is better than 1.6, which is better than 1.7, and so on,” Rogelj said. “The point is we need to do everything we can to keep warming as low as possible.”

What can be done?

Perhaps its most infuriating observation is also its most encouraging. The report lays out many known remedies and shows what would make the biggest difference to keep warming as low as possible, and also adapt to the climate hazards that are now inevitable. Expand solar and wind power. Improve energy efficiency. Make cities more friendly for walkers and cyclists. Reduce nitrogen pollution from agriculture. Eat better. Reduce food waste.

The report defines climate remedies broadly. It also urges strengthening social safety nets for those most vulnerable, including health insurance.

It struck me that many of these changes don’t mean giving up good things. It could mean having more good things, like exercise, cleaner air and better public health.

It does mean giving up one big thing that is the main driver of warming: Fossil fuels. The emissions produced by existing oil and gas installations, coal-fired power plants, gas and diesel guzzling trucks, and factories that burn fossil fuels would blow past the critical warming threshold.

Why does the report matter?

For starters, it distills the latest science on a profound global challenge.

More important, it poses a challenge to countries that are still actively building fossil fuel projects. The United States approved a giant oil drilling project on federal land in Alaska last week. China issued permits for dozens of coal-fired power plants last year. The host of the next round of climate negotiations, the United Arab Emirates, is a major oil producing nation. The official who is leading the preparations for the summit, scheduled to be held in November and December, is the head of the state oil company, Sultan Al Jaber.

The report by the I.P.C.C. will serve as a basis for those negotiations, which are held under the auspices of the United Nations. Not only will it add ballast to those pressing for a rapid phase out of fossil fuels, it could also well strengthen the calls for greater financial support from historic polluters.

The report makes the case that to see practical progress, much more money is needed to help countries adapt to the hazards of warming and pivot away from fossil fuels. “If climate goals are to be achieved both adaptation and mitigation financing would need to increase manyfold,” it states.

Consider the report a launchpad for some of the most serious battles that will unfold in the coming months. We will keep you apprised.

Source: PRISM Climate Group at Oregon State University | Note: The first map shows the percent of average precipitation received between Jan. 2020 and Nov. 2022; the second map runs through March 13, 2023.The New York Times

California’s wet winter: Extreme precipitation has begun to ease the state’s long-term drought, the driest three-year stretch on record, but water woes remain.

Expanded land protections: President Biden plans to designate nearly a half-million acres of the Spirit Mountain area in southern Nevada as a national monument.

More affordable electric cars: An unexpected decline in the price of lithium, an essential battery material, is good news for buyers.

All about carbon capture: It’s an umbrella term for technologies that aim to take carbon dioxide out of the atmosphere or catch emissions and store them. Here’s how they’d work.

A different kind of pipeline fight: Plans to transfer carbon dioxide and bury it underground are scrambling politics in the Midwest.

  • Millions of dead fish have washed up near an Australian town, the BBC reported. Officials in New South Wales cited a recent heat wave.

  • According to Mongabay, a bill under debate in Peru’s congress would strip isolated Indigenous people of some land and protections.

  • From the CBC: Researchers have identified 12 fossil fuel reserves in Canada that would each release a billion metric tons or more of carbon if their resources were extracted.

The most immaculate winter strawberries can sell for hundreds of dollars in Japan. Noriko Hayashi for The New York Times

In Japan, a race to bring strawberries to market earlier and earlier has shifted the growing season to winter from summer. Now, strawberries are a major holiday staple, adorning Christmas cakes sold across the country all December. It shows how modern expectations of fresh produce year round can require surprising amounts of energy.

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Manuela Andreoni, Claire O’Neill and Douglas Alteen contributed to Climate Forward. Read past editions of the newsletter here.

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