Climate Change News & Discussions

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6:54

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[raklian]

I really hope I don't wake up to news that Yellowknife Canada has been wiped from the face of the Earth soon. The whole city was just put under a mandatory wildfire evacuation. It pains me that whole cities could be destroyed and people like were just posted above will still probably laugh. I can only hope that the coming unrest this century is directed at the people who deserve it and not innocents and those who tried to fix the problem.

I really hope the team who wins the XPrize Wildfire competition will have come up with a clever solution.

I'm thinking it might involve utilizing AI to coordinate intelligent drones with data from high-resolution satellite imagery. A single drone or two can be sufficiently equipped to suppress a spark that usually turns into a larger conflagration. Have the drones be on standby (hovering or resting on ground) spaced apart, swapping with a freshly charged one, at regular intervals so that they cover area they can quickly arrive at the location of concern within a minute or less. It'll be expensive, but I think overall, it's huge cost saving compared to the damage caused by the fires.

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[raklian]

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Tropical forests may be warming to a point where plant photosynthesis fails, study warns
https://www.latimes.com/environment/sto ... is-to-fail
https://archive.ph/ogswH

By Dorany Pineda | Staff Writer
Aug. 26, 2023 3 AM PT

Teeming with life and stretching across multiple continents, tropical forests are often called the “lungs of the planet” because of their ability to suck up climate-warming carbon dioxide and exhale oxygen — a process known as photosynthesis.

But even as these critical ecosystems work with Earth’s oceans to help scrub CO2 from the atmosphere and give us air to breathe, tropical forests have long faced growing threats from fires, poaching and deforestation.

Now, new research suggests that humanity’s unchecked burning of fossil fuels may pose an entirely new danger.

In a study published recently in the journal Nature, scientists concluded that tropical forests could be drawing closer to the temperature threshold where leaves lose the ability to create life-sustaining energy by combining CO2, water and sunlight.

“We have known for a long time that when leaves reach a certain temperature, their photosynthetic machinery breaks down,” said Gregory R. Goldsmith, a study co-author and assistant professor of biological sciences at Chapman University.

Researchers said that a leaf’s ability to perform photosynthesis — and produce oxygen as a byproduct — is permanently lost above 116 degrees Fahrenheit and results in its death. New research discovered that some tropical leaves are already surpassing that critical temperature.

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