Climate Science

Fiona Harvey
Solar radiation management involves attempting to reduce the amount of sunlight striking the Earth’s surface. Photo by Alan Levine/Flickr (CC BY 2.0)

Sept. 25, 2023

This story was originally published by The Guardian and appears here as part of the Climate Desk collaboration.

Scott Dance
City council employees distribute bottles of water to combat a heat wave in São Paulo on Sept. 20. (EPA-EFE/Shutterstock)

Sept. 23, 2023 

After months of record planetary warmth, temperatures have become even more abnormal in recent weeks — briefly averaging close to 2 degrees Celsius above preindustrial levels, a global warming threshold leaders are seeking to avoid.

"I thought we had seen exceptional temperatures back in July," said Zeke Hausfather, climate research lead for the payment company Stripe. "What we've seen this week is well above that."

Damian Carrington
Climate models have suggested that the safe boundary for climate change was surpassed in the late 1980s. Photo by NASA

“The planetary boundaries concept is a heroic attempt to simplify the world, but it is probably too simplified to be of use in practically managing Earth,” he continued. “For example, the damage and suffering from limiting global heating to 1.6 C using pro-development policies and major investments in adapting to climate change would be vastly less than the damage and suffering from limiting warming to 1.5 C but doing this using policies that help the wealthy and disregard the poor. But the concept does work as a science-led parable of our times.”

Al Jazerra
Lawsuit to put the spotlight on the fossil fuel industry while seeking compensation for future damage caused by climate-related disasters [File: Bing Guan/Reuters]

Sept. 16, 2023

Five oil majors are accused of downplaying the risks posed by fossil fuels since the 1950s, The New York Times reports.

The US state of California has sued five oil giants for their alleged role in downplaying the risk posed by fossil fuels while causing tens of billions of dollars in damage, The New York Times has reported.

Mike Crawley
Toronto in smoke - A new government-commissioned report on the risks Ontario faces from climate change has been made public after a summer that included stretches of extreme heat, heavy rainstorms and unprecedented wildfire smoke, seen in this view of Toronto in June. (Patrick Morrell/CBC)

Southern Ontario to see 60 days of temperatures over 30 degrees by 2080s: report

A new report commissioned by Premier Doug Ford's government warns that climate change poses high risks to Ontario, with impacts on everything from food production to infrastructure to businesses.

Jessica Corbett
Sea ice breaks up in Antarctica. (Photo: Ted Mead/Getty Images)

Sept. 8, 2023

The new study's lead author said that "it is extremely concerning to see such significant warming in Antarctica, beyond natural variability."

Antarctica is warming at about double the rate of the rest of the planet and far more quickly than widely cited models projected, according to a study published Thursday in the journal Nature Climate Change that swiftly alarmed scientists around the world.

Seth Klein
Protesters, joined by faith leaders and members of Extinction Rebellion Toronto, take over an intersection in downtown Toronto as part of a demonstration declaring a climate crisis, June 10, 2019. Photo by Nick Iwanyshyn / Canada's National Observer

Sept. 8, 2023

Sometimes, in the eye of a storm, it can be hard to tell when the winds have shifted. Victories often don’t occur in a clear-cut timeline, nor can they always be pinpointed to a specific event. Darkest before the dawn, as they say. When we look back at this time, maybe — just maybe — the spring and summer of 2023 will be remembered as a pivot period.


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