What if someone told you that the climate crisis was just a scam? That global warming is a made-up story to control nations and destroy jobs? At the 2025 UN Assembly, Donald Trump stood on stage and repeated exactly this idea, calling climate change “the greatest hoax ever perpetrated.”
But here’s the question: can we afford to take such claims seriously when science has already shown us the opposite?
Welcome, dear reader. At FreeAstroScience, we believe that no one should be left in the dark. Today, we’ll unpack what Trump said, compare it with the IPCC’s most authoritative 2023 Synthesis Report, and see what’s true and what’s dangerously false. Stay with us until the end—you’ll see why facts matter more than slogans.
❓ What Did Trump Claim at the UN?
In his fiery speech, Trump said:
- Climate change is a “hoax.”
- Solar and wind power “don’t work.”
- Coal is “clean and beautiful.”
- China builds turbines but “doesn’t use them.”
- The Paris Climate Agreement would have cost the US “1 trillion dollars.”
At first glance, it may sound convincing to those who want to believe. But reality is stubborn—it’s written in the atmosphere, in the oceans, and in our daily lives.
🔬 What Science Actually Says
Let’s take these points one by one, guided by IPCC AR6 (2023) and global energy data.
1. Is Climate Change a Hoax?
No. Human activities, especially burning coal, oil, and gas, have unequivocally caused global warming.
According to the IPCC:
- The planet is now 1.1°C warmer than it was between 1850-1900.
- Greenhouse gas concentrations (CO₂, methane, nitrous oxide) are at their highest in millions of years.
- Extreme heatwaves, floods, and droughts are already happening everywhere, with billions of people affected.
That’s not a hoax. That’s physics.
2. Do Solar and Wind Power “Not Work”?
Wrong again. Renewable energy is now cheaper and more reliable than fossil fuels.
- In 2024, 80% of the growth in global electricity came from renewables and nuclear.
- Solar power was 41% cheaper than the cheapest fossil alternatives, and wind onshore was 53% cheaper.
- The US now gets 16% of its electricity from wind and solar, surpassing coal.
Yes, the sun doesn’t shine at night and the wind doesn’t always blow—but energy storage (like batteries) and grid integration make renewables effective.
3. Is Coal Really “Clean and Beautiful”?
Absolutely not. Coal is the dirtiest fossil fuel. Even with advanced filters, burning coal releases:
- Huge amounts of CO₂, the main driver of climate change.
- Sulfur dioxide, mercury, and particulates that cause respiratory diseases.
The US Environmental Protection Agency confirms coal is linked to premature deaths and environmental destruction.
4. Does China Avoid Using Wind Power?
Another myth. China is actually the world leader in renewable energy.
- Installed 357 GW of wind and solar in 2024, hitting its 2030 target six years early.
- Offshore wind rose from <5 GW in 2018 to 42.7 GW in 2025, half the global total.
- Over 61% of new solar and 70% of new wind plants in 2024 were in China.
Far from avoiding renewables, China is powering its economy with them.
5. Would the Paris Agreement Cost the US $1 Trillion?
No. This is a distortion.
- The US never had to pay such an amount.
- The actual commitment under Biden was $11.4 billion/year for climate finance.
- Even that was not fully approved by Congress.
Meanwhile, the cost of inaction is staggering: in 2024 alone, the US suffered 27 climate disasters worth $27 billion.
📊 Table: Comparing Trump’s Claims vs. Scientific Facts
Here’s a clear snapshot:
| Trump’s Claim | Scientific Fact |
|---|---|
| Climate change is a hoax | Warming is +1.1°C since 1850–1900, caused by humans (IPCC) |
| Solar and wind don’t work | Renewables supply 40% of global electricity growth (IEA) |
| Coal is “clean and beautiful” | Coal is the most polluting energy source (EPA) |
| China doesn’t use wind | China leads world in wind & solar (IRENA) |
| Paris Agreement costs $1 trillion | US pledged $11.4 billion/year, never paid full (UN data) |
📐 The Math of Warming
To understand how small numbers mean big consequences, here’s the basic formula for radiative forcing by CO₂:
ΔF = 5.35 × ln(C / C₀)
Where:
- ΔF is the change in radiative forcing (W/m²).
- C is the current CO₂ concentration.
- C₀ is pre-industrial CO₂ concentration (~280 ppm).
At today’s 410 ppm, forcing has increased by about 2 W/m², enough to trap enormous heat in Earth’s system.
🌱 Conclusion: Why This Matters
Dismissing climate change as a hoax doesn’t make the floods, fires, or heatwaves vanish. Science shows us reality: the planet is warming, humans are responsible, and solutions exist.
The choice is not between economy and environment—it’s between survival with dignity or chaos with denial.
At FreeAstroScience.com, we remind you: never switch off your brain. Because when reason sleeps, monsters take over.
So, the next time someone says “climate change is fake,” you’ll know what to answer—with facts, with confidence, and with hope.
Return to FreeAstroScience.com for more articles that explain science simply, keeping your mind engaged and your curiosity alive.
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