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Americans often receive a lot of grief for being less internationally traveled than citizens of other countries. But in recent years, more Americans are traveling abroad than ever before. Numbers compiled by the digital magazine Travel and Tour World (TTW) show that in March 2025, 6.56 million Americans flew outside of the country. Thats 1.6% more than the same period a year earlier, and more than 22% more than in 2019the year before the pandemic caused international travel to grind to a halt. TTW cites pent-up demand, strong personal savings among affluent demographics, and a growing appetite for immersive cultural experiences as the main reasons more Americans are traveling overseas. And those numbers from March will likely increase this month as the school season ends and Americans start heading out on summer vacations, especially since ticket prices have been dropping lately as airlines lower their fares to entice inflation-wary consumers to travel. But if it’s your first time traveling internationally, you may not be aware that the reigning transportation and mapping app kings in the United States, Google Maps and Apple Maps, arent always the best to use in other countries. There are others that will enable you to navigate new lands more easily, especially the abundant public transportation options that most other countries offer. With that in mind, here are some apps to download before you head out on your global travels. Citymapper Citymapper is probably the most recognizable app on this list, and thats because it does one thing better than nearly any other app: It helps you navigate some of the worlds best cities, whether that be by foot, car, bicycle, scooter, tram, ferry, or other city-specific modes of transitway more modes than Apple or Google offers in most locales. Citymapper is already pretty popular in America because it helps residents and visitors in big cities like New York, Los Angeles, and Washington, D.C., get around. However, while the app supports just 28 cities in America, it supports 72 in Europe, along with prominent Asian destinations, including Tokyo, Seoul, and Hong Kong. Moovit If you need public transit directions in America or most major European cities, Google Maps or Apple Maps can do a decent job of getting you from point A to point B. But if you are in less frequently traveled countries of the world, you’ll find that Google Maps and Apple Maps dont always reveal all the public transportation options that are available when trying to get across a cityor from city to city. Thankfully, theres Moovit, which boasts public transit directions for more than 112 countries and 3,400 cities across the globeincluding many in the Global South, which many transit apps frequently overlook. If you are traveling in Eastern Europe, South America, Africa, or large parts of Asia, Moovit will likely show you the most public transportation options available. Another great thing about the app is that it lets you download a citys transit maps for offline viewing. Naver Map Few countries have a geopolitical postwar history that’s as fascinating as South Korea. The country, which is still technically at war with North Korea, rapidly industrialized after the 1960s to become one of the worlds most economically and technologically advanced nations. If you plan to visit South Korea, be sure to download Naver Map before you go. Naver Map is the Google Maps of South Korea, and it features nearly everything you would expect to find in Google Maps, including transportation directions and business listings. You can still use Google Maps or Apple Maps in South Korea, but their real-time transportation direction capabilities are significantly nerfed. Thats because South Korean law requires mapping providers to store their mapping data within the countrysomething neither Google nor Apple does. And yes, while Naver Map is predominantly used by locals, the smartphone app is also available in English, making it a must-have for American visitors. Rome2Rio The apps above are mostly very city- or country-specific. But what if you are going on a multination journeysay from Portugal to Finlandand stopping at multiple cities on the way? There is probably no better app that helps you get from one country to another than Rome2Rio. Fast Company has previously spotlighted the platformwhich is basically like a Google Maps for major modes of travel between any two points on the planetbut it’s worth mentioning here again because it is so useful (and the smartphone app is great). Rome2Rio will show you how to navigate between two placesno matter if by car, train, bus, plane, or ferryand show you how much it is likely to cost based on your selected mode of transport. Transit Finally, it’s worth mentioning that one of the easiest transportation apps to use is Transit, thanks to its excellent user interface, which makes following step-by-step transit directions a cinch. As soon as you open the app, youll instantly see the public transport options closest to youno searching required. It also displays route options in a color-coded bar chart format, letting you choose the best one for you at a glance. Transit is currently available in 25 countries and over 870 cities. The majority of those cities are in the United States, Canada, and France, but the app also supports major cities in popular destinations for U.S. tourists, including the United Kingdom, Australia, New Zealand, and other select global cities.
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When disasters happensuch as hurricanes, wildfires, and earthquakesevery second counts. Emergency teams need to find people fast, send help and stay organized. In todays world, one of the fastest ways to get information is through social media. In recent years, researchers have explored how artificial intelligence can use social media to help during emergencies. These programs can scan millions of posts on sites such as X, Facebook, and Instagram. However, most existing systems look for simple patterns like keywords or images of damage. In my research as an AI scientist, Ive developed new models that go further. They can understand the meaning and context of postswhat researchers call semantics. This helps improve how accurately the system identifies people in need and classifies situational awareness information during emergencies. The results show that these tools can give rescue teams a clearer view of whats happening on the ground and where help is needed most. From posts to lifesaving insights People share billions of posts on social media every day. During disasters, they often share photos, videos, short messages and even their location. This creates a huge network of real-time information. But with so many posts, its hard for people to find whats important quickly. Thats where artificial intelligence helps. These systems, which use machine learning, can scan thousands of posts every second, find urgent messages, spot damage shown in pictures, and tell real information from rumors. During Hurricane Sandy in 2012, people sent over 20 million tweets over six days. If AI tools had been used then, they could have helped find people in danger even faster. Training AIs Researchers begin by teaching AI programs to understand emergencies. In one study I conducted, I looked at thousands of social media posts from disasters. I sorted them into groups like people asking for help, damaged buildings and general comments. Then, I used these examples to train the program to sort new posts by itself. One big step forward was teaching the program to look at pictures and words together. For example, a photo of flooded streets and a message like were trapped are stronger signals than either one alone. Using both, the system became much better at showing where people needed help and how serious the damage was. Finding information is just the first step. The main goal is to help emergency teams act quickly and save lives. Im working with emergency response teams in the United States to add this technology to their systems. When a disaster hits, my program can show where help is needed by using social media posts. It can also classify this information by urgency, helping rescue teams use their resources where they are needed most. For example, during a flood, my system can quickly spot where people are asking for help and rank these areas by urgency. This helps rescue teams act faster and send aid where its needed most, even before official reports come in. Addressing the challenges Using social media to help during disasters sounds great, but its not always easy. Sometimes, people post things that arent true. Other times, the same message gets posted many times or doesnt clearly state where the problem is. This mix can make it hard for the system to know whats real. To fix this, Im working on ways to check a posts credibility. I look at who posted it, what words they used and whether other posts say the same thing. I also take privacy seriously. I only use posts that anyone can see and never show names or personal details. Instead, I look at the big picture to find patterns. The future of disaster intelligence As AI systems improve, they are likely to be even more helpful during disasters. New tools can understand messages more clearly and might even help us see where trouble is coming before it starts. As extreme weather worsens, authorities need fast ways to get good information. When used correctly, social media can show people where help is needed most. It can help save lives and get supplies to the right places faster. In the future, I believe this will become a regular part of emergency work around the world. My research is still growing, but one thing is clear: Disaster response is no longer just about people on the groundits also about AI systems in the cloud. Ademola Adesokan is a postdoctoral researcher in computer science at Missouri University of Science and Technology. This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Its no secret that warming temperatures, wildfires and flash floods are increasingly affecting lives across the United States. With the U.S. government now planning to ramp up fossil fuel use, the risks of these events are likely to become even more pronounced. That leaves a big question: Is the nation prepared to adapt to the consequences? For many years, federally funded scientists have been developing solutions to help reduce the harm climate change is causing in peoples lives and livelihoods. Yet, as with many other science programs, the White House is proposing to eliminate funding for climate adaptation science in the next federal budget, and reports suggest that the firing of federal climate adaptation scientists may be imminent. As researchers and directors of regional Climate Adaptation Science Centers, funded by the U.S. Geological Survey since 2011, we have seen firsthand the work these programs do to protect the nations natural resources and their successes in helping states and tribes build resilience to climate risks. Here are a few examples of the ways federally funded climate adaptation science conducted by university and federal researchers helps the nation weather the effects of climate change. Protecting communities against wildfire risk Wildfires have increasingly threatened communities and ecosystems across the U.S., exacerbated by worsening heat waves and drought. In the Southwest, researchers with the Climate Adaptation Science Centers are developing forecasting models to identify locations at greatest risk of wildfire at different times of year. Knowing where and when fire risks are highest allows communities to take steps to protect themselves, whether by carrying out controlled burns to remove dry vegetation, creating fire breaks to protect homes, managing invasive species that can leave forests more prone to devastating fires, or other measures. The solutions are created with forest and wildland managers to ensure projects are viable, effective and tailored to each area. The research is then integrated into best practices for managing wildfires. The researchers also help city planners find the most effective methods to reduce fire risks in wildlands near homes. In Hawaii and the other Pacific islands, adaptation researchers have similarly worked to identify how drought, invasive species and land-use changes contribute to fire risk there. They use these results to create maps of high-risk fire zones to help communities take steps to reduce dry and dead undergrowth that could fuel fires and also plan for recovery after fires. Protecting shorelines and fisheries In the Northeast, salt marshes line large parts of the coast, providing natural buffers against storms by damping powerful ocean waves that would otherwise erode the shoreline. Their shallow, grassy waters also serve as important breeding grounds for valuable fish. However, these marshes are at risk of drowning as sea level rises faster than the sediment can build up. As greenhouse gases from burning fossil fuels and from other human activities accumulate in the atmosphere, they trap extra heat near Earths surface and in the oceans, raising temperatures. The rising temperatures melt glaciers and also cause thermal expansion of the oceans. Together, those processes are raising global sea level by about 1.3 inches per decade. Adaptation researchers with the Climate Adaptation Science Centers have been developing local flood projections for the regions unique oceanographic and geophysical conditions to help protect them. Those projections are essential to help natural resource managers and municipalities plan effectively for the future. Researchers are also collaborating with local and regional organizations on salt marsh restoration, including assessing how sediment builds up each marsh and creating procedures for restoring and monitoring the marshes. Saving salmon in Alaska and the Northwest In the Northwest and Alaska, salmon are struggling as temperatures rise in the streams they return to for spawning each year. Warm water can make them sluggish, putting them at greater risk from predators. When temperatures get too high, they cant survive. Even in large rivers such as the Columbia, salmon are becoming heat stressed more often. Adaptation researchers in both regions have been evaluating the effectiveness of fish rescuestemporarily moving salmon into captivity as seasonal streams overheat or dry up due to drought. In Alaska, adaptation scientists have built broad partnerships with tribes, nonprofit organizations and government agencies to improve temperature measurements of remote streams, creating an early warning system for fisheries so managers can take steps to help salmon survive. Managing invasive species Rising temperatures can also expand the range of invasive species, which cost the U.S. economy billions of dollars each year in crop and forest losses and threaten native plants and animals. Researchers in the Northeast and Southeast Climate Adaptation Science Centers have been working to identify and prioritize the risks from invasive species that are expanding their ranges. That helps state managers eradicate these emerging threats before they become a problem. These regional invasive species networks have become the go-to source of climate-related scientific information or thousands of invasive species managers. The Northeast is a hot spot for invasive species, particularly for plants that can outcompete native wetland and grassland species and host pathogens that can harm native species. Without proactive assessments, invasive species management becomes more difficult. Once the damage has begun, managing invasive species becomes more expensive and less effective. Losing the nations ability to adapt wisely A key part of these projects is the strong working relationships built between scientists and the natural resource managers in state, community, tribal and government agencies who can put this knowledge into practice. With climate extremes likely to increase in the coming years, losing adaptation science will leave the United States even more vulnerable to future climate hazards. Bethany Bradley is a professor of biogeography and spatial ecology at UMass Amherst. Jia Hu is an associate professor of natural resources at the University of Arizona. Meade Krosby is a senior scientist for the Climate Impacts Group at the University of Washington. This article is republished from The Conversation under a Creative Commons license. Read the original article.
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