Science Advocates/Défenseurs des Sciences - Canada

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04/03/2026
can't help it but felt so moved.... History was made!https://www.youtube.com/shorts/II2-bThceCs?feature=share
04/03/2026

can't help it but felt so moved.... History was made!

https://www.youtube.com/shorts/II2-bThceCs?feature=share


The four astronauts aboard the Artemis II have embarked on a lunar venture that could mark the first time astronauts return to the vicinity of the moon in mo...

01/26/2026

Canada’s natural resources play a major role in continental supply systems.
Freshwater, energy reserves, and critical minerals influence everything from manufacturing to long‑term sustainability planning.
Understanding why these resources attract attention helps explain global demand and resource‑distribution pressures.

Will we ever learn as a civilization that without a healthy planet humans can't survive?
12/19/2025

Will we ever learn as a civilization that without a healthy planet humans can't survive?

New research suggests we blew past 1.5°C warming years earlier than thought.

A new study suggests the planet may have passed a critical climate threshold years earlier than official estimates indicate. Researchers at the University of Western Australia Oceans Institute analyzed the limestone skeletons of six long‑lived Caribbean sclerosponges—sea sponges that grow extremely slowly and act as “natural archives” of ocean conditions—to reconstruct sea temperatures back to 1700. By measuring strontium‑to‑calcium ratios in these sponges, they inferred a detailed history of local ocean warming that extends well before modern instrumental records, which only begin around 1850. Their reconstruction indicates that significant global warming began roughly 80 years earlier than the timelines used by the Intergovernmental Panel on Climate Change (IPCC), and that average global temperatures may have already surpassed 1.5 °C—and even reached about 1.7 °C—above pre‑industrial levels by 2020.

These conclusions, published in Nature Climate Change, imply that the window for cutting emissions to avoid the worst climate outcomes is even narrower than previously thought. However, some climate scientists are skeptical about overturning global estimates based on data from a single Caribbean site, arguing that one regional record cannot fully capture the complexity of the world’s oceans and calling for more corroborating evidence before revising IPCC benchmarks. Even if the sponge‑based timeline proves too aggressive, independent measurements show we are rapidly closing in on the 1.5 °C threshold anyway, with recent years and months repeatedly breaking temperature records. Whether or not we have already crossed the line, the article concludes that the direction of travel is unmistakable and that aggressive, immediate emissions cuts remain essential to preserve a livable climate for future generations.

References (APA style)

Orf, D. (2025, December 5). *Oops, scientists may have miscalculated our global warming timeline*. Popular Mechanics.

McCulloch, M. T., et al. (2025). Early onset of industrial-era warming inferred from Caribbean sclerosponge records. *Nature Climate Change*.

12/19/2025
12/17/2025

In this video, our founder, Vince, explains living by the ocean has impacted his view on the world and how the video game Beyond Blue has added to his views.

12/16/2025
12/14/2025

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