International Day of the Tropics

International Day of the Tropics History

The International Day of the Tropics is celebrated annually to highlight the important role of tropical regions in global issues such as economic growth, social inequality, environmental sustainability, and human well-being. In Australia, the day serves as an opportunity to showcase the country's tropical regions, which include parts of Queensland, the Northern Territory, and Western Australia. These regions are home to a diverse range of ecosystems, from rainforests and savannas to coral reefs and wetlands. The day was first observed in 2016 by the United Nations General Assembly, which recognized that over 40% of the world's population resides in the tropics, which are characterized by their unique biodiversity, natural resources, and cultural heritage.

The importance of these regions was underscored in a 2018 report by the Australian government, which noted that tropical Australia generates over 60% of the nation's agriculture and mining exports, while also supporting Indigenous culture and livelihoods. However, the report also acknowledged that tropical regions face significant challenges, such as climate change, land degradation, and invasive species. These challenges require multidisciplinary solutions that take into account both the ecological and social dimensions of tropical development.

The International Day of the Tropics serves as a call to action for governments, organizations, and individuals to work together towards a sustainable and equitable future for tropical regions worldwide. The International Day of the Tropics is observed annually on June 29th.

Top 10 Facts for 2026 International Day of the Tropics in Australia

• The 2026 observance highlights how tropical Australia stands at the frontline of global challenges, such as climate change impacts on the Great Barrier Reef and the urgent need for sustainable development in regional areas.
• Community-driven initiatives, such as the 'We Are The Tropics' social media campaign led by institutions like James Cook University, encourage Australians to share stories and photos to celebrate living in the tropical zone.
• The observance serves as a vital platform for Australia to collaborate with other nations on critical issues including biosecurity, disaster resilience, public health, and tropical research.
• The Tropics are defined as the region of Earth surrounding the equator, bounded by the Tropic of Cancer in the north and the Tropic of Capricorn in the south, a zone that includes significant portions of Northern Australia.
• The date was established by the United Nations to commemorate the launch of the inaugural State of the Tropics Report in 2014, a landmark collaboration between twelve leading tropical research institutions.
• Tropical regions are home to approximately 80% of the world's biodiversity and nearly half of the global population, making their health essential for the well-being of the entire planet.
• The region plays a crucial role in global climate regulation, as tropical forests and peatlands store enormous amounts of carbon while tropical wetlands help regulate water resources.
• Despite their natural wealth, tropical nations face disproportionate challenges, including higher levels of undernourishment and poverty, as well as a greater prevalence of urban slum conditions compared to the rest of the world.
• Tropical ecosystems—ranging from rainforests and mangroves to coral reefs—are currently threatened by rapid urbanization, deforestation, overexploitation of resources, and the intensifying impacts of climate change.
• The United Nations recognizes this day as a key opportunity to promote science-based policies and foster communication between governments, indigenous communities, researchers, and the private sector to balance conservation with equitable development.

In the News and Trending in Australia for International Day of the Tropics

Top things to do in Australia for this observance

• Read a first-hand account about Carmen Rodríguez and her family's efforts to preserve Colombia's tropical dry forest.
• Browse the 2020 report on the state of the tropics. It covers a wide variety of topics including the environment, human impact, and the application of science and technology.
• Watch a documentary to learn more about the tropics in Australia. Here are our top picks:
  1. Australia's Northern Wilderness (2004) - This documentary series explores the beauty of the tropical wilderness found in Northern Australia.
  2. Kakadu: Australia's Ancient Wilderness (1994) - A documentary taking you on a journey through the tropical wetlands of Kakadu National Park.
  3. Nature's Wonderland: Australia's Great Top End (2015) - A nature documentary covering the diverse landscapes and natural wonders of Tropical Australia.
• Read a book to learn more about the tropics in Australia. Here are our suggestions:
  1. A Guide to the Tropical Rainforests of Australia by Nigel Halle
  2. Australian Tropical Rainforests: Science - Values - Meaning by Geoffrey D. Williams
  3. Tropical Rainforests of North Queensland: Their Conservation Significance by Helen T. Murphy and Peter Doughty