Author’s Note What do we think? I am an economist whose work has focused on climate risk management, complex systems, and nonlinear acceleration. My research partner, Sidd Mukherjee, is a physicist. While my background centers on economics, risk, and system dynamics, Sidd’s work extends into areas such as ultra-low-temperature physics, where measurements can approach within […]
Tag Archives: climate science
Why Models Underestimated Climate Change
Introduction Recent observations suggest that several key Earth system feedbacks are becoming increasingly important in shaping the trajectory of global warming. These include: Natural systems that once absorbed large amounts of atmospheric carbon are increasingly showing signs of instability, with some regions transitioning from net carbon sinks to net carbon sources. This shift reframes the […]
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The Third Derivative and Climate Acceleration
Why Change Is Increasing Faster Over Time by Daniel Brouse March 25, 2026 1. What Is a Second Derivative? In calculus, the first derivative measures the rate of change of a quantity. The second derivative measures how that rate of change itself is changing. In simple terms: 2. Mathematical Definition If we define a function: […]
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Statistical Mechanics and Chaos Theory in Climate Science
by Daniel BrouseJuly 31, 2025 Statistical Mechanics (SM), chaos theory, and climate science are deeply interconnected, especially in the study of complex, dynamic systems like Earth’s climate. Here’s how they relate: 1. Statistical Mechanics (SM): Understanding Many-Body Systems SM is the branch of physics that connects the microscopic behavior of individual particles (like molecules in […]
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Tipping Cascades: The Nonlinear Dominoes of Climate Collapse
by Daniel Brouse July 14, 2025 My latest deep reflection has centered on how tipping points have triggered self-sustaining feedback loops in the climate system. We knew this was coming—and it is now here. Luckily, I was prepared for that part. What I could not fully envision in my mind’s eye was how the interplay […]
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Crossing the Heat Threshold: Wet-Bulb Temperatures Signal a Climate Turning Point
by Daniel Brouse June 24, 2025 With today’s forecast of 101°F and a dew point of 72°F, Philadelphia is expected to reach a wet-bulb temperature of approximately 72.2°F. This may seem like just another hot day in summer, but it marks a dangerous threshold—one where the body’s ability to cool itself through sweating begins to […]
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