Allen Tien, MD, MHS mdlogix.com 94,698 田一彦
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#thermodynamics #entropy #energybalance #climatescience #greenhouseeffect #sustainableenergy #renewableenergy #energyefficiency #carbonfootprint #zerocarbon #climateaction #climatechange… | Bruce Merlo | 88 comments
Understanding Thermodynamic Processes in Climate Change Thermodynamics is essential for grasping climate change because it explains how energy moves and transforms in Earth’s system. This brief overview highlights the key concepts and their climate relevance. The Core Laws First Law - Energy cannot be created or destroyed, only converted. Second Law - Every energy transfer increases entropy, pushing systems toward greater disorder. These principles set the stage for how the planet balances incoming and outgoing energy. Energy Balance Solar Input - Sunlight is absorbed by the atmosphere, oceans, and land, driving weather and life. Thermal Emission - Earth radiates infrared energy back to space; greenhouse gases trap part of this radiation, producing the greenhouse effect. Small shifts in either side can trigger large climate responses. Greenhouse Effect & Feedbacks Greenhouse gases intercept outgoing infrared radiation, raising surface temperatures. Positive feedbacks amplify warming: Albedo Loss - Melting ice lowers reflectivity, absorbing more solar energy. Water Vapor Increase - Warm air holds more water vapor, a strong greenhouse gas, further boosting heat. These loops show how fossil‑fuel combustion initiates both immediate and long‑term climate impacts. Entropy’s Role The increase in entropy mirrors the inefficiency of human energy use: Fossil‑Fuel Combustion converts concentrated chemical energy into dispersed heat and CO₂, raising the system’s disorder. This added entropy manifests as altered atmospheric composition and disrupted climate patterns. Toward Sustainable Energy Understanding thermodynamics guides greener choices: Energy Efficiency - Reducing waste cuts greenhouse gas emissions. Renewables - Solar, wind, and other low‑entropy sources replace high entropy fossil fuels. Policy & Systemic Change - Coordinated actions that optimise energy flows support both environmental health and societal needs. Thermodynamic principles illuminate how Earth absorbs, transforms, and emits energy, and why entropy rises as we burn fossil fuels. Recognising these processes clarifies the climate challenges we face and underscores the necessity of efficient, renewable energy systems for a viable future. #Thermodynamics #Entropy #EnergyBalance #ClimateScience #GreenhouseEffect #SustainableEnergy #RenewableEnergy #EnergyEfficiency #CarbonFootprint #ZeroCarbon #ClimateAction #ClimateChange #EnergyEfficiency #RenewableEnergy #ClimateAction #ScienceCommunication | 88 comments on LinkedIn
#carboncycle #soilhealth #thermodynamics #systemsthinking #naturebasedsolutions | Bruce Merlo
Stocks vs. Flows of Carbon of our Planetary Ecosystem Services Accounts. For those following the spirited debate in my previous post regarding "Closed Systems" and "Thermodynamics," this diagram illustrates the accounting problem we are actually trying to solve. Just as Gaia describes the interconnections. Self-regulation: The Earth's systems work collectively to maintain balance (e.g., the carbon cycle). Biological feedback mechanisms: Living organisms influence and modify their environment. Ecosystem interactions: Complex interdependencies exist among different life forms, contributing to the stability of ecosystems. First Law (Conservation of Energy): Energy cannot be created or destroyed, only transformed. In the context of Gaia, this implies that energy from the sun drives the Earth’s systems. Second Law (Entropy): Isolated systems tend toward increased entropy. However, all open systems on the Earth can decrease entropy locally, promoting order through energy input. Look closely at the numbers. The Flows (Flux): Nature is a massive engine of energy transfer. Between Photosynthesis (120 Gt) and Ocean exchange (90 Gt), the planet naturally cycles roughly 210 Gigatonnes of Carbon every year. The Disruption (Entropy): Against that massive backdrop, Human Emissions (the red arrow) seem negligible at only 9 Gt, with 5 Gt taken up through Ecosystem Services Accounts. This is where many sceptics get stuck. They ask, "How can such a small number matter?" The Thermodynamic Answer: It matters because the natural system is in a delicate state of dynamic equilibrium (Input ≈ Output). The "9" represents a net addition of entropy, disorder introduced into a balanced system that has no immediate biological sink. We are digging up "slow carbon" (Fossil Carbon: 10,000 Gt) and injecting it into the "fast carbon" cycle of the atmosphere. We are trying to balance a checking account (the Atmosphere) while ignoring the massive savings account we are depleting (Soil Carbon). Notice that the Soil Carbon stock (2,300 Gt) is nearly three times the size of the Atmospheric stock (800 Gt). This confirms why "Thermodynamic Alignment" is the only viable path. We cannot simply "cap" the red arrow (emissions) and expect the system to stabilize instantly. We must expand the capacity of the yellow arrows (Photosynthesis and Soil sequestration). By regenerating soil health, producing biochar, and restoring ecosystems, we increase the "bandwidth" of nature to absorb that excess energy. We don't need to invent a new machine; we need to repair the one we are standing on. This is not just biology; it is physics. We must manage the flow to stabilise the system. https://lnkd.in/e-SQfsaZ Units in Gigatonnes of Carbon. #CarbonCycle #SoilHealth #Thermodynamics #SystemsThinking #NatureBasedSolutions
#datacenters #energytransition #sustainablefinance #realestate #circulareconomy #climateaction #leadership #impactinvesting #smartcities #innovation #greenenergy #cleanenergy #finland… | Cris Nitz | 51 comments
The most profitable data center in the world isn't in Silicon Valley. It's underground in Helsinki, heating 20,000 homes while making a killing. Here's what everyone else is missing... Everyone's applauding Finland for being green. Cute. But they're missing the point. This isn't a sustainability story. It's a hostile takeover of the heating industry disguised as corporate responsibility. Data centers used to be cost centers. Power hogs. Necessary evils. Helsinki just turned them into heat utilities that happen to do cloud computing on the side. The waste heat isn't waste anymore. It's the product. The servers are just very expensive furnaces. While the world asks "how do we power data centers?" Helsinki asked "how do data centers power us?" That's not environmentalism. That's engineering a market. The real innovation? A 100-year energy contract and a utility that doesn't think quarterly. Helen gets cheap heat. The data center gets cheap power. The city cuts carbon. Everyone wins. More importantly, everyone gets paid. This is what happens when you stop treating symptoms and redesign the game. The carbon savings are a nice headline. The margins are a better story. Finland's secret isn't green energy. It's trust, long-term deals, and the guts to bet on infrastructure that pays dividends for decades. Your city could do this. But first, your utilities and tech companies have to stop negotiating like adversaries and start partnering like co-owners. Until then, you're burning money and calling it innovation. 🔔 TL;DR: Finland turned server heat into apartment heat. You're still buying carbon credits. One strategy prints money. The other prints press releases. #DataCenters #EnergyTransition #SustainableFinance #RealEstate #CircularEconomy #ClimateAction #Leadership #ImpactInvesting #SmartCities #Innovation #GreenEnergy #CleanEnergy #Finland #SustainableCities #CleanTech #CleanTechnology | 51 comments on LinkedIn
#nuclearenergy #cleanenergy #energysecurity #grids #smr #decarbonization #competitiveness #costofliving #ai #industry | Ricardo Moreno - Innovator - Digital and XR Visionary
$111T in public debt—and your energy bill is caught in the crossfire. When governments spend more servicing debt, they invest less in the essentials: clean power, stronger grids, and stable prices. That means higher financing costs, delayed projects, and more volatility for households and industry. There’s a way through it—go nuclear (and build the grid). Why nuclear now??? ▪️ Low-carbon, 24/7 power that stabilizes the grid and tames price spikes ▪️ Predictable, long-life costs that protect families and factories ▪️ Energy security with tiny land footprint and minimal fuel needs ▪️ Industrial strength: reliable power for AI, data centers, and heavy industry What do we have to do as soon as reasonable posible??? ▪️ Fast-track life extensions of safe existing plants ▪️ Green-light new builds & SMRs where demand is growing ▪️ Pair nuclear with renewables + storage and modernize the grid ▪️ Use long-term contracts to cut financing costs and keep tariffs steady In a high-debt world, the smartest money goes to clean, reliable baseload. Build nuclear, upgrade the grid, and give citizens clean air, predictable bills, and competitive jobs. Take a look to the graphic. How is your country from a debt perspective??? #NuclearEnergy #CleanEnergy #EnergySecurity #Grids #SMR #Decarbonization #Competitiveness #CostOfLiving #AI #Industry
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Tripling nuclear power is not ...
Tripling nuclear power is not ...
Tripling nuclear power is not a dream. It is a plan. And it is already in motion. Right now, 31 countries have set a bold target: triple global nuclear capacity by 2050. This is not only talk. It… | Ruan Steyn
Tripling nuclear power is not a dream. It is a plan. And it is already in motion. Right now, 31 countries have set a bold target: triple global nuclear capacity by 2050. This is not only talk. It is a real, measurable goal, backed by national plans and hard numbers. Today, there are about 440 nuclear reactors operational worldwide. Together, they generate almost 400 gigawatts of electricity. That is enough to power hundreds of millions of homes. And the number is growing. At least 70 more reactors are being built right now, adding another 77 gigawatts. But the real story is what comes next. Governments have set targets for 2050 that add up to 1,363 gigawatts of nuclear power. That is more than triple today’s capacity. It is even higher than the 1,200 gigawatt goal set at COP28 and COP29. This is not only about numbers. It is about action. China and the USA are leading the way. Their national goals alone make up more than half of the world’s future nuclear power. Add France, India, and Russia, and these five countries will reach almost 1,000 gigawatts by 2050. The rest of the world is moving too, but these countries are the engine. Getting there will not be easy. It will take: 1. Leadership and strategic action 2. Streamlined regulatory frameworks 3. Significant investment and accessible financing across the entire nuclear value chain 4. Accelerated deployment 5. A larger, highly skilled workforce 6. Robust, resilient, and diversified supply chain 7. Strengthening the nuclear fuel cycle - from mining to fuel fabrication This is an ambitious undertaking - but it is absolutely achievable. Tripling global nuclear capacity is within reach. The momentum is real, and the imperative is clear. The world needs clean, reliable, 24/7 energy. Nuclear is ready to deliver it - safely, affordably, and at scale This is our chance to build a safer, cleaner, and more secure energy future. The path is clear. The time is now. ♻️ Repost if you like the content ➕ Follow me, Ruan Steyn, for more insights Source of graph: World Outlook Report 2050, World Nuclear Association - Global nuclear capacity (GWe) up to 2050
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