Bradsher, K. (2025, December 17). China’s Clean Energy Push is Powering Flying Taxis, Food Delivery Drones and Bullet Trains. The New York Times. https://www.nytimes.com/interactive/2025/12/17/climate/china-hefei-clean-energy-drones-evs-robots.html

China is experimenting with clean energy transportation, including battery-swapping robots, self-driving delivery trucks, and flying taxis. In the city of Hefei, flying taxis are stationed around town. The taxis are piloted remotely. Since March of 2025, more than half of new-car sales in China have been electric vehicles. There are 18.6 million public charging stations installed in China. The electric vehicles in China are essentially “sophisticated rolling smartphones.” Drive-through battery swapping stations are common practice; a robot replaces your dead battery with a new one. China has drone delivery systems that deliver lunch from the sky. The goal with projects like this is to power more of its economy on clean electricity, rather than imported fossil fuels. In Hefei, hospitals use drones to quickly move emergency supplies around the city. China’s bullet trains can go nearly 220 miles per hour. The high-speed rail network in China is about 30,000 miles long. The initial construction of this railway did create pollution because of the large use of steel and concrete. The trains themselves, however, pollute far less than cars, trucks, and airplanes. China has the largest number of driverless taxis on their roads. China is also starting to replace delivery truck drivers with robot trucks. China has become the world’s main manufacturer of subways; nearly 50 cities in China have subway networks. These trains cut down on traffic jams and air pollution. 

China’s goal with these technologies is to move its economy away from dependence on fossil fuels and toward energy powered by cleaner sourced electricity. This movement supports the global effort to reduce carbon emissions that can contribute to climate change. China’s emphasis on electric vehicles is crucial because they produce much fewer tailpine emissions than gasoline or diesel cars. When they replace conventional vehicles, they can help reduce air pollution and greenhouse gas emissions. Additionally, the widespread use of trains and subways helps overall emissions decline, as they produce much less pollution than cars. The use of robotics and automation in everyday life could reduce energy waste as well. Battery-swapping robots and autonomous delivery trucks can make transportation systems more efficient. I appreciate how the article mentions the possible environmental trade-offs of this technology. These systems require lots of materials, factories, and infrastructure, which can use energy and create pollution during construction. Overall, China’s investment in next-generation clean energy could reduce emissions significantly, but it is important to recognize the environmental costs that may emerge along the way. 

From living labs to global streets – Eurocities. (2026, January 21). Eurocities – Home. https://eurocities.eu/latest/from-living-labs-to-global-streets/

Cities across the globe are facing challenges to increasing sustainable transport and decreasing emissions. In many countries, urban pollution is a shared concern. Panama City has modernised its public transport system through the Panama Metro. Nairo is dominated by privately owned public transport that deals with poor service, congestion, and high emissions. Addis Ababa, Ethiopia’s capital city, struggles with growing demands and heavy congestion. Many of the vehicles in Addis Ababa are old and susceptible to breakdowns, making them unreliable and contributors to air pollution. The European program “UPPER” (Unleashing the Potential of Public Transport in Europe) aims to decrease the dependency on private vehicles and increase the usage of public transport. Addis Ababa plans to improve service quality and turn towards digitalisation and intelligent transport systems to improve efficiency. The “UPPER” program is built upon a foundation of “mutual learning,” as European and non-European cities share experiences to redesign public transport systems. The program uses “living labs,” which are real-world pilot initiatives, to test and share practical solutions for improving public transport. 

The UPPER program is truly a global plan to combat unsustainability. I love that cities outside of Europe are involved in the program and are eager to achieve sustainable urban transport. The participation of these cities brings “a new twist and fresh perspective” to the program. Collaboration will certainly help expedite the process. It is a devastating fact that cities across the globe are facing issues of urban pollution and high transport emissions that affect air quality and public health. All of the solutions presented in the article—improved public transport, modernized fleets, and zero-emissions vehicles—can reduce greenhouse gas emissions from transportation. It is an important environmental goal to shift away from private vehicles towards cleaner transport modes. Building healthier and more sustainable cities has to be a global effort.

Brown, C. (2025, December 11). Will the Self-Driving Cars of the Future Lower Emissions? The New York Times. https://www.nytimes.com/2025/12/11/climate/self-driving-cars-emissions.html

In 2025, Waymo operated 14 million trips across five cities in the United States, and the company is planning on expanding in 2026. All of Waymo’s cars are electric vehicles. Replacing tailpipes with batteries can have a positive effect on air quality; a USC study shows that asthma attacks decline when zero-emissions vehicles are added to the roads. Similarly, electrifying cars could potentially lead to reductions in ozone and particulate matter. Despite the Trump administration eliminating subsidies for electric vehicles, autonomous cars could become a spot for electric vehicle ridership. EVs are, however, heavier than gas-powered cars, creating the possibility of tire and break wear that could release particulate matter. Waymo buys renewable energy to offset its carbon footprint. In general, EVs generate significantly fewer emissions than gas-powered cars. Because autonomous vehicles require so much computing power, they consume a lot of energy. When many autonomous cars are programmed to drive cautiously, it results in more traffic congestion. This increased congestion could worsen air quality, as gas-powered cars idle and emit pollution, potentially canceling out the environmental benefits of autonomous cars. If the cars are programmed to drive less conservatively and communicate more effectively, congestion could decrease. 

The widespread use of Waymos is important in terms of air quality and climate change because all of Waymo’s self-driving cars are electric. Electric vehicles are generally cleaner than gasoline cars. I appreciate how the article acknowledges that autonomous vehicles are not completely emissions-free, since they do use a great deal of computing power. It is important to consider the full energy cost of the technology we use. In addition to the acute use of energy, autonomous cars that are too cautious can lead to traffic jams, which would increase idling and thus pollution from conventional cars stuck in traffic. It is difficult to understand the impact that these cars will have on the environment in the long run, because they are such a new technology. As technology grows, it is important that we use it to our advantage, rather than to the detriment of our environment.

McCulloch, B. (2025, October 24). Free public transport in France under scrutiny: Impact on air quality and investment. connexionfrance.com; connexionfrance. https://www.connexionfrance.com/magazine/free-public-transport-in-france-criticised-by-judges/746029

In at least 46 towns and cities in France, free buses are in operation. In 2018, Dunkirk was the first city with a population larger than 200,000 people to facilitate the free bus program. The then mayor of Dunkirk said the effects were “immediate,” as buses were carrying  “double the number of passengers they did before.” Montpellier initiated the free bus and train program in 2023. The mayor exclaimed that the air quality had visibly improved, and buses were carrying 27% more passengers than before the system was put in place. The Cour des Comptes–France’s supreme audit institution–criticizes the free bus program, arguing that they halt investment in greener public transport and do very little to improve air quality. The Cour des Comptes’ report says that the environmental impact of this system is slim because many of the new bus users had previously walked or used electric scooters. The report also mentions that some passengers now avoid buses because they have become overcrowded. France funds its transport mainly through passenger fares, but free buses turn the costs onto businesses and councils, which causes financial strain and limited investment in greener transit. 

Transportation is a major source of air pollution and greenhouse gas emissions. If public transit systems are well-funded, they can reduce car use, and thus lower carbon emissions, which could improve air quality and support climate-change mitigation. If, however, making buses free puts a strain on budgets, investment in greener technologies such as electric or low-emissions buses can be limited. I appreciate how the article offers an alternative solution, highlighting the city of Lyon, which combines green investment with fare reductions targeted for disabled and low-income bus riders. The article concludes that free public transport for everyone is less effective than assistance based on income. In order to meet long-term ecological goals, there must be a trade-off between encouraging the use of public transportation and ensuring sustainable funding. 

Reducing climate impact of global logistics | Neste. (2025, November 10). Neste. https://www.neste.com/news-and-insights/transportation/reducing-climate-impact-of-global-logistics

Global freight transport accounts for about a quarter of all greenhouse gas emissions. Freight logistics are essential for global economies, but they also result in a significant amount of emissions. Renewable fuels are the solution for reducing climate impacts of airtime and maritime travel—because of the long distances needed to travel, other options will not necessarily work. Hydrogen and electrification, for example, are promising, but they are not yet ready to reduce the impact of global shipping. Renewable fuels such as “sustainable aviation fuel,” and “renewable diesel” are available to use without the need for engine modifications. Deutsche Bahn, a German railway company, uses renewable diesel in their old diesel engines, leading to quick reductions in emissions as well as “smoother performance.” Renewable fuels, however, are more expensive than fossil fuels. Shifting to renewable fuels is a community effort—it requires partnerships among companies, producers, and customers. 

The article outlines the global impact of freight transport on climate change, explaining that freight logistics account for 40% of global crude oil demand. The article offers solutions, such as renewable energies that do not require engine modifications. These renewable fuels allow for the use of existing fleets which can minimize the carbon footprint significantly. I appreciate how the article includes the possible costs and acknowledges barriers of renewable energy, as renewable energy sources are a costly solution. The article advocates for partnerships between industries and policymakers in order to spark the movement away from fossil fuels. This collaboration can lead to a domino effect, where “first movers bring down the cost curve so that others can jump in. They create momentum for changes across the industry.” The move towards clean energy needs to be a collective effort. 

Clewlow, R. (2025, April 22). Transportation Is A Climate Issue: Time For Cities To Act. Forbes. https://www.forbes.com/sites/reginaclewlow/2025/04/22/transportation-is-a-climate-issue-time-for-cities-to-act

While talks about climate change are more prevalent than ever, transportation – the number one contributor to greenhouse gas emissions – is often overlooked as a source of pollution. A majority of carbon emissions in urban areas come from private vehicles which “account for nearly 60% of transportation-related emissions nationwide.” Electric vehicles are a solid solution to this problem, however, simply replacing every gas-powered vehicle with an electric vehicle will not make a meaningful enough difference. A huge step towards reducing emissions is reducing the amount of vehicles that are out on the roads. In order for this to happen, access to public transportation needs to be more opportune and accessible. It is up to local governments to put the issue of transportation on the agenda. 

Everybody relies on transportation in their everyday lives, but people often resort to using the easiest mode of transportation rather than the most eco-friendly. A major stereotype of the United States is that people prioritize speed and convenience, but this stereotype proves to be a dangerous reality. People opt out of riding bikes or taking a bus because driving their car is simply “faster.” The majority of us fall victim to this stereotype, but it is about time that Americans shift focus away from efficiency towards sustainability. The article emphasizes that, while we are on the right track by utilizing more and more electric vehicles, it takes much more than that to make a significant difference on the environment. I believe that this article puts into perspective the amount of effort needed to truly make a change, and I hope that people begin to realize that it is a community effort. 

Carlson, J., & Walquist, B. (2025, January 31). Fuel for Thought: A More Practical Future for Autonomous Vehicles. S&P Automotive Insights. https://www.spglobal.com/automotive-insights/en/blogs/fuel-for-thought-a-more-practical-future-for-autonomous-vehicles

At the 2025 Consumer Electronics Show, it was announced that the autonomous vehicle industry is beginning to shift focus from full autonomy to more realistic and practical solutions. Both automakers and tech companies are realizing that level 5 autonomy (the highest level of automation) has its cost and technological limitations. The adoption of autonomous vehicles will be “slower and steadier.” Waymo, an autonomous ride-sharing company is exceedingly popular in modern day. Waymo’s approach focuses on the gradual and small-scale implementation of autonomous vehicles, setting the principle for future advancements. Developing autonomous technology is a long and costly process, and many smaller companies are struggling to succeed. In the future, partnerships between smaller companies (who propose new ideas) and well-established companies (who can fund projects) will be highly beneficial to the advancement of autonomous technology. Companies of all sizes are starting to dwell on practicality over perfection. 

Autonomous vehicles can be programmed in ways that will reduce carbon emissions, and lower fuel consumption. Plus, most autonomous vehicles are electric, which reduces fossil fuel emissions as well.  I always see Waymo cars driving around in San Francisco, and I find it so interesting. It still baffles me to see no one behind the wheel. I really liked how this article emphasized the necessity of taking smaller steps rather than reaching for what may be unattainable goals. In our current climate, it sometimes can feel like there is no hope in helping our environment recover, but this article underlined that sometimes smaller steps lead to bigger outcomes.

Nazaryan, A. (2025, April 1). After a Slow Start, High-Speed Rail Might Finally Arrive in America. The New York Times. https://www.nytimes.com/2025/04/01/headway/high-speed-rail-trains-america.html

Projects for the implementation of a high-speed rail system in the United States are long underway, and though funding from the current administration is unlikely, state-wide efforts to build railways are growing. As of now, there are no high-speed rail systems in the United States. Building these systems would require a whole new set of tracks as “grade separation” is needed, plus additional infrastructure (overpasses/underpasses) to avoid the halting of traffic. The fastest train in the United States as of now is the Amtrak Acela train, which can go up to 150 miles per hour (slow compared to global high-speed trains.) The California high-speed rail lacks the funds it needs for total implementation. Texas terrain proves to be an ideal sight for a high-speed rail, but the outbreak of the pandemic caused all plans to collapse. Many legislators hope for a national rail system that would connect the entirety of the United States, but this project would be time-consuming and costly. 

Aside from increased efficiency and productivity, building a high-speed rail system in the United States would have many environmental benefits. Most modern high-speed rails are electric, thus, these trains would have significantly lower carbon emissions. Similarly, the implementation of these trains would reduce on-road congestion, as more people would utilize the new mode of transportation. Plus, these trains are acutely energy efficient, especially if they are powered by renewable energy. I think that the building of high-speed rails in the United States is a great idea, as people would be able to travel longer distances in shorter amounts of time while simultaneously helping to reduce the emission of greenhouse gases. 

A Positive Outlook for Sustainable Mobility in 2025. (2025, January 27). Intertraffic.com. https://www.intertraffic.com/news/sustainability/a-positive-outlook-for-sustainable-mobility-in-2025

Mobility preferences are changing rapidly from traditional cars to a focus on biking, carpooling, and ride-sharing, in an attempt to keep environmental impacts in mind. As the issue of climate change remains prevalent, finding more sustainable transportation will inevitably be on the agenda. Electric vehicle usage is growing rapidly, and many companies are working to increase accessibility of electric vehicles to all markets. Self-driving technology is also starting to take off, which has the capacity to reduce congestion and increase efficiency. Many companies are also starting to test flying vehicles, which could alleviate much on-road congestion. In the vein of reducing congestion, advancements are being made regarding the usage of delivery robots and drones and artificial intelligence can be used to manage traffic patterns. 

I appreciate how the article outlines the accessibility in truly making a difference in the environment, emphasizing that it can be as simple as biking or carpooling instead of driving. Similarly to the last article, this one also accented the growing attempts to make electric vehicles more accessible, which I think will be a huge advancement in giving people of all communities the opportunity to slow climate change. It is crazy to think that autonomous and flying vehicles are becoming a reality, and using them as ways to slow emissions caused by transportation is a wonderful idea. With artificial intelligence being so prevalent in modern day, it would be a good idea to use this technology for the betterment of the environment.

Aland, R. (2025, February 19). State and Local Leadership Can Drive Transportation Progress in 2025. Aceee.org. https://www.aceee.org/blog-post/2025/02/state-and-local-leadership-can-drive-transportation-progress-2025

Transportation is consistently the top wellspring of greenhouse gas emissions in the United States, and with the current administration’s plans of reducing investments in efficient transportation measures, it is crucial that action be taken locally and state-wide. Many high cost and large projects aimed at reducing emissions are temporary solutions, thus, the American Council for an Energy-Efficient Economy (ACEEE) has been working at state and local levels to find cheaper and more effective remedies. One solution being looked at is the wider adoption of electric trucks, as trucks heavily contribute to transportation emissions. With the expansion of electric vehicles comes the demand for more equitable access to charging stations. ACEEE has been working to establish more inclusive and accessible charging infrastructure, specifically in disadvantaged areas. ACEEE strives to congruously reduce emissions while ameliorating opportunities for people of all classes. 

The article discusses the consequences of the current government’s rollbacks on transportation funding on the environment. I appreciate how the article twisted this negative into a positive by saying that, despite this loss, “opportunities remain for state and local action to create a more sustainable and more affordable transportation system.” This gave a more hopeful outlook on the situation at hand, which I think is crucial when discussing the future of the environment. I feel strongly about the idea of using more electric vehicles, specifically the electrification of trucks, which could help reduce pollutants caused by transportation significantly. I also appreciate how the article included the impacts of environmentally friendly transportation on all communities. People of all classes should have the same opportunities to reduce emissions; proactivity should not be limited to the affluent.