Horses running

Wild horses return to Spain’s Iberian highlands after 10,000 years

The Iberian Highlands of Spain are experiencing a remarkable ecological transformation. For the first time in over 10,000 years, wild horses are once again roaming this landscape. This rewilding project is a significant step in the effort to restore Europe’s natural ecosystems. It is a powerful example of how conservation can repair historical ecological damage. The initiative aims to reintroduce herbivores that play a key role in shaping their environment. It’s a positive and grounded story of nature’s resilience.

A Natural Partnership for the Ecosystem

The horses are not merely a symbol of rewilding; they are an active part of the ecosystem’s recovery. As they graze, they control the overgrowth of shrubs and grasses. This helps to reduce the risk of wildfires, which have become a major threat in the region due to climate change. The horses also create paths through dense vegetation and disperse seeds, which promotes biodiversity. Their presence helps to create a healthier, more balanced landscape, which benefits other species. This method of using natural processes for ecological restoration is a key principle of modern conservation efforts. You can find more information on the benefits of rewilding from the Rewilding Europe Foundation.

Restoring an Ancient Connection

The horses released in this project are a type of primitive horse, carefully selected for their genetics and behavior. They are descendants of ancient horses that roamed the Iberian Peninsula for thousands of years. The reintroduction of these animals reconnects the highlands with their ancient past. This helps to re-establish a more complete and functional food web. This project is part of a growing movement to reintroduce large herbivores to ecosystems around the world, as detailed in reports from organizations like the IUCN.

A Collaborative Effort for Long-Term Success

This ambitious rewilding project is the result of a collaborative effort between several organizations. The Rewilding Europe Foundation, the International Union for Conservation of Nature, and local partners have all played a vital role. The project also involves the local community, which is crucial for its long-term success. Local officials and residents have embraced the initiative, recognizing the potential for both environmental and economic benefits. The project is designed to be a driver of sustainable tourism and a “nature-based economy” that supports the local population. You can read more about the role of local communities in conservation from the United Nations Development Programme.

A Beacon of Hope for Global Conservation

The return of wild horses to the Iberian Highlands is more than just a local success story. It serves as a beacon of hope for global conservation efforts. It demonstrates that with careful planning and collaboration, it is possible to repair ecosystems and restore biodiversity on a large scale. This project is a tangible example of a hopeful future for our planet. It shows that we can actively work to reverse environmental damage and create a more resilient world. The long-term monitoring of this project will provide valuable data for future rewilding initiatives across the globe.

  • For further details on the project, the official website for Rewilding Spain provides more information.

More Good News

  • Chemo patient

    7 in 10 cancer patients in the U.S. now survive five-plus years after diagnosis

    The United States has achieved a significant medical victory, with the five-year cancer survival rate rising to nearly 70 percent, up from just 49 percent in the mid-1970s. This historic high, confirmed by the American Cancer Society, reflects decades of progress in early detection and breakthrough treatments like immunotherapy. Survival rates for prostate cancer have surged to 98 percent, while leukemia survival has nearly doubled. This steady trend confirms that cancer is increasingly becoming a manageable condition, saving millions of lives nationwide.


  • Bird in Ghanaian forest

    Ghana repeals legislation that opened forest reserves to mining

    In a historic win for conservation, the Parliament of Ghana has repealed L.I. 2462, effectively banning mining activities in the country’s protected forest reserves. This decision follows months of intense advocacy from a coalition of labor unions, religious groups, and environmental organizations. The repeal safeguards critical watersheds that provide drinking water to millions and protects vital habitats for endangered species. This legislative reversal marks a decisive shift toward sustainable development and restores the legal sanctity of Ghana’s natural heritage.


  • Pills and syringe

    Fentanyl overdose deaths in the U.S. are now falling sharply

    The United States is seeing a dramatic decline in fentanyl overdose deaths, with new data showing a drop of approximately 33% in 2024 after the crisis peaked at 76,000 deaths in 2023. Preliminary findings suggest continued double-digit reductions in 2025. This positive trend is driven by successful diplomatic efforts to cut off precursor chemicals from China, disrupting the supply chain. Simultaneously, the widespread availability of naloxone and expanded access to addiction treatment are saving lives domestically.


  • Bison on a plain

    Major rewilding effort removes 100 miles of fencing across the Great Plains of Montana

    Led by the American Prairie Reserve, this initiative relies on volunteers to clear abandoned barbed wire that endangers wildlife and fragments habitat. The removal reopens ancient migration corridors for species like pronghorn antelope and elk, allowing them to move freely across the landscape. This project restores the natural beauty of the prairie and serves as a powerful model for reconnecting fragmented ecosystems nationwide.


  • Illustration of the concept of nuclear fusion

    China achieves breakthrough in fusion reactor plasma density

    China has achieved a major breakthrough in the quest for viable fusion power with its experimental EAST reactor in Hefei, Anhui Province. The device shattered a world record by sustaining plasma at 158 million degrees Fahrenheit for over 17 minutes. This engineering feat proves that the extreme conditions needed for fusion can be stabilized for long durations. The breakthrough is a critical step in the global effort to develop abundant, safe, carbon-free energy supplies and combat climate change.