Contrary to expectations, wetlands do not need to be completely flooded to provide the greatest climate benefit. Instead, the water table should be below the soil surface and remain stable, according to a new study from the University of Copenhagen. The greenhouse gas methane and microorganisms in the soil are a game changer.

A new study out of York University has found that the amount of atmospheric trifluoroacetic acid (TFA), the tiniest forever chemical, significantly declined in Toronto during COVID in 2020, which researchers say is good news for the world’s ability to mitigate it in the future. “When we turned off the tap, so to speak, and we all went home and stopped normal activities, we saw a really quick response, a dramatic reduction of TFA. But the real surprise is that the results point to TFA being formed from short-lived chemical precursors emitted into the atmosphere,” says York University atmospheric chemist Professor Cora Young, senior author of the paper published today.

The Australian monsoon season (ASM) typically arrives in mid-December to mid-January each year but arrived on 7 February 2025 during the 2024-2025 season, more than five weeks later than usual. A group of researchers investigated whether the official arrival of the ASM in 2024-2025 was due to a true delay of the monsoon season or monsoon measurement criteria and variations in local weather conditions.