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Elon Musk Talks Climate Change While in Paris as the City Hosts COP 21
Elon Musk spoke to an audience at the Sorbonne in Paris on December 2 and urged people to support policies that will address the carbon dioxide levels in the atmosphere and climate change.

Elon Musk spoke before an audience at Sorbonne University in Paris on global climate change while the city hosted 190 nations for COP 21 to discuss a possible new global agreement aimed at reducing greenhouse gas emissions. His remarks were sobering. Elon brings to light how mankind is now adding billions of tons more carbon dioxide to the atmosphere than it can handle. This extra CO2 comes from burning fossil fuels that have been buried in the earth for millions of years. As a result, carbon dioxide levels have been steadily rising over the past 200 years and are now approaching 500 ppm. That’s 2/3 more than the atmosphere can cope with. Musk went on to repeat one of his most frequent statements, that burning fossil fuels may the “dumbest experiment in history.”
One of the charts Musk used to buttress his remarks (presented at the top of this page) shows that the increase in carbon dioxide levels is accelerating at an alarming rate. Some will remember that Al Gore was once pilloried as a lunatic for offering a very similar chart. But Musk isn’t laughing. He says if we do not alter our behavior as a civilization, the effects of our actions will exceed the damage caused by every war in history to date.
Musk couched his main points in economics. He described the damage caused by burning fossil fuels as an “untaxed externality.” In other words, he said, our economic system is actually designed to reward those who extract and burn fossil fuels. He insists that the solution to mankind’s emissions problem is to eliminate the more than $5 trillion in direct and indirect subsidies the nations of the world provide annually to fossil fuel interests, according to the International Monetary Fund.
Call it a carbon tax or carbon pricing, Musk says a way must be found to make all the costs of using fossil fuels be borne by those who burn them rather than allowing them to be foisted off on the others. He proposes a program that would be phased in gradually and provide relief for those whose lives will be adversely affected by a rise in fossil fuel costs. His remarks were very similar to those he gave while visiting in Germany earlier this year.
Then and only then will the world transition to using renewable energy, such as wind, solar, hydroelectric and geothermal. Musk urged everyone in the audience to talk about the urgency of climate action with their family, friends and elected officials. You can watch the entirety of Musk’s remarks in the video below.
Barney Frank once said if his office got one call on a subject, it was probably from a nut case. If his office got two calls on the same subject, it was a coincidence. But if 6 calls came in, it was a groundswell. In this instance, as in many others, if the people will lead, their leaders will follow. If you aren’t sure who your elected officials are or how to contact them, here is a very useful online tool you can use. Don’t put it off. Do it today.
Elon Musk
Elon Musk affirms Tesla commitment and grueling work schedule: “Daddy is very much home”
The remarks came as Tesla shares crossed the $400 mark on the stock market.

Tesla CEO Elon Musk reiterated his commitment to the electric vehicle maker and its future projects this week, responding to speculation following his $1 billion purchase of TSLA stock.
The remarks came as Tesla shares crossed the $400 mark on the stock market, extending a rally fueled in part by Musk’s TSLA purchase.
Elon Musk’s nonstop work schedule
Amidst the reaction of TSLA stock to Musk’s $1 billion investment, Tesla owners such as @greggertruck noted that “Daddy’s home.” Musk replied, stating that “Daddy is very much home.” He then shared details of a packed weekend of work, which was definitely grueling but completely within character for a “wartime CEO.”
Musk did note, however, that he had lunch with his kids during the weekend despite his extremely busy schedule.
“Daddy is very much home. Am burning the midnight oil with Optimus engineering on Friday night, then redeye overnight to Austin arriving 5am, wake up to have lunch with my kids and then spend all Saturday afternoon in deep technical reviews for the Tesla AI5 chip design.
“Fly to Colossus II on Monday to walk the whole datacenter floor, review transformers and power production (excellent progress), depart midnight. Then up to 12 hours of back-to-back meetings across all Tesla departments, but with a particular focus on AI/Autopilot, Optimus production plans, and vehicle production/delivery,” Musk wrote in his post.
Wartime CEO
Wedbush analyst Dan Ives described Musk as operating in “wartime CEO mode,” highlighting autonomous driving and AI as a trillion-dollar market opportunity for Tesla. Musk reiterated this point late last month as well, when he outlined the several projects he is juggling among his numerous companies. At the time, Musk stated that he was busy with Starship 10, Grok 5, and Tesla V14. This was despite his notable presence on X.
With Tesla Master Plan Part IV being partly released, the company is entering what could very well be its most ambitious stage to date. To usher in an era of sustainable abundance, Tesla would definitely require a “wartime CEO,” someone who could remain locked in and determined to push through any obstacles to ensure that the company achieves its goals.
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Elon Musk confirms cryptic X post was related to SpaceX, not TSLA stock
Musk shared his update in a post on social media platform X.

Elon Musk has confirmed that a cryptic post he shared earlier this month was related to his private sale enterprise, SpaceX, not electric vehicle maker Tesla.
Musk shared his update in a post on social media platform X.
Musk’s cryptic post
Earlier this month, the CEO posted the cryptic words “You’ll Thank Me Later” on X. The post quickly gained attention on social media, as Tesla watchers and Elon Musk fans speculated on what the words could mean. With the announcement that Musk has purchased $1 billion of TSLA stock in the open market, some speculated that the cryptic post was a teaser of sorts to shareholders.
Musk’s massive TSLA purchase was the biggest in history, and it also stood as a notable vote of confidence for the company as it attempts to enter a new era led by robots, AI, and autonomous driving. This was likely one of the reasons why Tesla stock saw a notable rise on Monday’s trading. In another post, however, Musk confirmed that his cryptic post was not in any way related to his stock purchase.
All SpaceX
Considering that all the words in Musk’s post started with an uppercase letter, some space fans immediately speculated that the CEO was teasing something related to SpaceX. The company’s three drone ships, Just Read the Instructions (JRTI), Of Course I Still Love You (OCISLY), and A Shortfall of Gravitas (ASOG), after all, follow similar naming styles.
This was one of the reasons why some TSLA shareholders noted on X that Musk’s post was likely SpaceX-related. In response to one of these comments, Musk stated that these speculations are “Correct.”
The only question now is what exactly Musk was referring to in his post. Perhaps the CEO really was hinting at the name of the drone ship that will be tasked to retrieve Starship in the middle of the ocean.
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Tesla Model Y leads as weekly registrations in China hit Q3 high
Out of Tesla China’s 15,350 registrations, the Model Y once again accounted for the majority.

Tesla recorded 15,350 insurance registrations in China during the week of September 8–14, marking a 7.3% increase compared to the prior week. The figure also represents the highest weekly result so far in the third quarter of 2025.
Model Y still leads demand
Out of the 15,350 registrations, the Model Y once again accounted for the majority. Data shows 9,460 registrations for the standard Model Y, complemented by 1,030 units of the newly launched extended wheelbase, six-seat Model Y L. Tesla also logged 4,860 Model 3 sedans for the week as well, as noted in a CNEV Post report.
The Model Y L, which debuted in late August, registered a modest uptick from the 900 registrations it saw the week before. Volumes remain relatively low, suggesting that the variant will not meaningfully change Tesla’s third-quarter sales trajectory. That being said, Tesla China’s previous comments about the Model Y L’s demand suggest that an uptick in registrations may be coming in the next weeks.
The ramp of the Model Y L will likely be a notable topic among Tesla watchers, as its ramp will still be quite a task despite the vehicle being just a new variant of the all-electric crossover. With this in mind, meaningful numbers of Model Y L registrations may hit their pace in the next quarter instead.
Tesla China’s momentum
As per data from the China Passenger Car Association (CPCA), Tesla’s retail sales in August 2025 totaled 57,152 units. That figure marked a 9.9% decline from August 2024’s 63,456 units, but a significant 40.7% increase from July’s 40,617 deliveries.
Quarter-to-date, Tesla China’s results show a 34.4% gain compared to the previous quarter but remain down 11% year-over-year. Year-to-date, Tesla is down about 7% in China versus the same period in 2024. With only a couple more weeks before the end of the third quarter, Tesla China’s registrations may help determine whether the company could catch up to its 2024 numbers this year.
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