Brazil and Beyond: Travel Risks in a Warming World

Brazil’s record droughts, wildfires and stressed rainforests highlight a global shift in which iconic natural destinations are facing mounting climate risks, from El Niño disruptions to accelerating habitat loss.

Brazil’s Changing Landscapes Signal a Global Warning

Recent droughts and wildfires in Brazil have turned the country into a stark example of how fast natural landscapes can change under the combined pressure of climate variability and long-term warming. Publicly available monitoring data show that the 2023–2024 El Niño episode contributed to severe drought across much of the Amazon Basin and the Pantanal wetlands, drying rivers, disrupting river transport routes and stressing ecosystems that underpin ecotourism and local livelihoods.

In the Pantanal, one of the world’s largest tropical wetlands and a key wildlife destination, satellites detected an unusually early and intense fire season following prolonged rainfall deficits and extreme heat. National and international reports indicate that millions of hectares of wetland, savanna and forest in Brazil burned in 2024, eroding habitat for jaguars, macaws and other flagship species that draw nature travelers.

At the same time, deforestation trends in Brazil’s Amazon illustrate a complex picture. Independent mapping initiatives report that the total area cleared annually has declined from recent peaks, yet cumulative loss already exceeds a significant share of the original forest cover. Scientists warn that if clearing and degradation continue, parts of the Amazon may approach ecological tipping points, with cascading effects on regional rainfall, river levels and the climate stability that supports communities and tourism enterprises.

For travelers, these shifts translate into practical uncertainties. River cruises on traditionally dependable Amazon waterways have faced navigational challenges during low-water episodes, while smoke from fires has periodically affected air quality and visibility at nature lodges. Travel planners are increasingly monitoring seasonal outlooks tied to El Niño and other climate drivers when advising visits to Brazil’s interior.

El Niño Drives Extreme Weather Across Key Destinations

El Niño is a recurring climate pattern linked to unusually warm waters in the central and eastern tropical Pacific. According to scientific agencies and climate research groups, the strong 2023–2024 episode helped push global temperatures to record levels and intensified extremes in many tourism-dependent regions, from the Americas to Africa and Asia.

In South America, El Niño has been associated with the recent combination of extreme heat, prolonged drought and severe wildfires across Brazil, Bolivia and parts of Peru and Colombia. River levels on major tributaries of the Amazon fell to historic lows during the 2023–2024 drought, affecting river traffic, isolating communities and reducing accessibility for expedition cruises and river-based tours.

On the other side of the Pacific, Southeast Asia and island states also experienced El Niño-related stresses. Analyses by international organizations describe drier conditions, heightened wildfire risk and reduced agricultural output in countries such as Indonesia, where rainforest and peatland fires periodically send smoke across borders and over popular coastal and island destinations. In some years, haze episodes have led to flight disruptions, health advisories and a noticeable impact on visitor satisfaction.

Climate assessments emphasize that El Niño does not act alone. Long-term warming trends are loading the dice toward more intense heatwaves, heavier rainfall events and, in some regions, more severe drought. This means that even moderate El Niño events can now trigger outsized impacts on landscapes and infrastructure that travelers rely on, including trails, protected areas and coastal resorts.

Shrinking Forests, Wetlands and Reefs From the Amazon to Asia

Beyond Brazil, multiple flagship tourism regions are grappling with shrinking or degraded natural landscapes. Global environment outlooks and biodiversity studies point to ongoing loss of forests, peatlands, mangroves and reefs, driven by land conversion, overuse and climate stress. These changes reduce not only wildlife habitat but also the protective buffers that help communities cope with storms, floods and sea level rise.

In Southeast Asia, mangrove belts and lowland forests that once lined much of the coastline have been cleared or fragmented for aquaculture, agriculture and development. These ecosystems store carbon, filter water and shield communities and resorts from storm surges. As they recede, coastal destinations become more exposed to tropical cyclones and king tides, with knock-on effects for hotels, transport links and beach quality.

Island and coastal nations that depend heavily on coral reef tourism are seeing similar pressures. Mass bleaching events linked to marine heatwaves have affected reefs in the Caribbean, Pacific and Indian Ocean over the past decade, reducing coral cover and fish diversity. While many sites remain spectacular, environmental monitoring shows that recovery windows are narrowing as heatwaves arrive more frequently, raising questions about how long some reef-based destinations can sustain current visitation levels without stronger protection and emission cuts.

Wetland systems that attract birdwatchers and wildlife photographers are also under strain. In addition to the Pantanal, major wetlands in regions such as southern Africa’s savannas and parts of South and Southeast Asia face altered flooding cycles due to upstream dams, irrigation and changing rainfall. Fluctuating water regimes can transform open water into dry plain or vice versa, reshaping the timing and predictability of wildlife encounters.

Climate Risk Hotspots Emerge on the Global Tourism Map

Recent ecological threat assessments identify clusters of countries where water stress, food insecurity, extreme weather and rapid population growth combine to create high-risk hotspots. Many of these states are home to iconic natural attractions, from East Africa’s wildlife reserves to fragile mountain and desert regions in parts of Asia and the Middle East.

In southern Africa, a sequence of drought years linked in part to El Niño has hit crops, rangelands and hydropower. Regional climate summaries describe failed rains and heat extremes in countries such as Zambia and Zimbabwe, affecting rural communities and driving up food prices. For tourists, these same conditions can result in parched landscapes, increased fire risk and constraints on water-intensive facilities during peak season.

Mountain destinations from the Andes to the Himalayas are emerging as another front line. Glaciological studies document rapid glacier retreat in many high ranges, which is altering river flows, increasing the risk of glacial lake outburst floods and changing the character of trekking and skiing areas. Some resorts are investing in artificial snow, new water storage and climate adaptation measures, yet long-term viability at lower elevations is increasingly uncertain.

Coastal megacities that serve as gateways for international tourists are simultaneously facing flood and heat risks. Sea level rise, subsidence and stronger storm surges threaten ports, heritage districts and transport hubs, while more oppressive heatwaves strain power grids and public health systems. These overlapping pressures are prompting urban planners and tourism authorities in many countries to reassess how much growth vulnerable coastal zones can safely absorb.

How the Travel Sector Is Responding to Growing Climate Threats

Tourism organizations and governments are beginning to adjust to this new climate reality, although progress remains uneven. Policy reports note a rise in initiatives aimed at mapping climate and disaster risks across tourism regions, integrating this information into land-use plans and encouraging investment in resilient infrastructure, from elevated walkways in flood-prone coastal zones to firebreaks and early warning systems near nature lodges.

Industry groups are also highlighting the need for diversified products and itineraries. In countries like Brazil and others exposed to El Niño-related extremes, travel companies are exploring shoulder-season trips, less climate-sensitive routes and experiences that distribute visitor pressure away from the most fragile sites. This can include shifting some demand from fire-prone dry-season safaris to wet-season birding or cultural circuits that are less dependent on precise weather windows.

Travelers themselves are part of the adaptation equation. Advisory bodies encourage individuals to pay closer attention to climate outlooks and local guidance when booking, to purchase flexible tickets and insurance where possible, and to factor environmental performance into destination choices. Responsible visitor behavior, including support for conservation fees and low-impact excursions, can provide crucial resources for protected areas working to maintain ecological integrity amid intensifying climate stress.

For now, Brazil’s experience serves as an early and highly visible signal rather than an outlier. As natural landscapes shrink or transform under the combined effects of El Niño, long-term warming and local land pressures, similar patterns are unfolding across continents. How quickly the travel sector and its guests adapt will help determine which destinations can preserve the wild places that first put them on the map.