“The climate time-bomb is ticking,” said U.N. Secretary General António Guterres in a statement. “But today’s IPCC report is a how-to guide to defuse the climate time-bomb.” Here’s a breakdown of key points and takeaways from the report.
Emissions are cumulative, so continuing to increase emissions in the next few years means faster, deeper cuts are needed in later years. With each passing year, that time window in which later action can avert catastrophe gets smaller.
“They're saying this is the least costly pathway,” the expert reviewer explained. “Emissions could peak in 2028 or 2029, but if you wait that long it becomes economically ruinous to get on the pathway.”The sun sets behind electric power lines as the California Independent System Operator announced a statewide electricity Flex Alert urging conservation to avoid blackouts in Redondo Beach, California on August 31, 2022.
The world has already warmed 1.1°C since the Industrial Revolution, and it is experiencing effects including more frequent and severe heat waves, droughts, and wildfires, as well as heavier rains, more powerful hurricane winds, causing hundreds of deaths and tens of billions of dollars in damages every —— in the United States alone, according to the National Oceanic and Atmospheric Administration.
So while some might fantasize about continuing to use fossil fuels while reducing warming by sucking carbon dioxide out of the air and storing it underground later in this century, when the technology is more advanced and affordable, the IPCC finds that would be too late.
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