How Climate Change Is Changing Our Coastal Forests

January 19, 2025 / activist360

Map of change between sampling intervals in forest area for low and mid elevation (crossed) counties derived from the FIA. Vector shapefiles were retrieved from the U.S. Census Bureau.

Imagine driving along the coast and seeing rows of lifeless trees standing in pools of water—gray, leafless, and eerie. These “ghost forests” are appearing along the eastern United States, and they tell a sobering story about how climate change is reshaping our coastal landscapes. Coastal forests, which provide critical benefits to both people and wildlife, are disappearing or transforming at an alarming rate.

What Are Coastal Forests and Why Are They Important?

Coastal forests are unique woodlands found near the shorelines of oceans, bays, and estuaries. These forests thrive in areas with a mix of salty and fresh water, making them different from inland forests.

Coastal forests are essential for:

Wildlife Habitat: They provide homes for birds, fish, and other animals that rely on both land and water ecosystems.
Flood Protection: Their trees and soil act as natural barriers, absorbing water and reducing the impact of floods and storm surges.
Carbon Storage: Coastal forests capture and store large amounts of carbon dioxide, which helps slow the pace of global warming.

These vital ecosystems are under threat. Rising sea levels, stronger storms, and higher temperatures are causing widespread damage. Many trees are dying, leaving behind ghost forests where thriving woodlands once stood.

How Climate Change Is Impacting Coastal Forests

Climate change is reshaping coastal forests in profound ways, driven by rising sea levels, stronger storms, and increasing temperatures. Each of these factors contributes to the gradual transformation of these ecosystems, creating significant challenges for their survival.

Sea Level Rise: As sea levels rise, saltwater moves further inland, soaking the roots of trees that cannot survive in salty conditions. Over time, these trees die, creating ghost forests. Areas like the Chesapeake Bay have seen this transformation accelerate, as low-lying forests succumb to saltwater intrusion.
Stronger Storms: Hurricanes and tropical storms are becoming more intense due to climate change. These storms knock down trees, flood forest areas, and create conditions that make it harder for new trees to grow. While some forests recover, many do not, leading to a permanent loss of trees and wildlife habitats.
Warming Temperatures: Rising temperatures put stress on coastal forests by changing the types of trees and plants that can survive. Warmer weather can also make forests more vulnerable to pests and diseases, further accelerating tree loss.

What This Means for Us

The disappearance of coastal forests has far-reaching consequences that go beyond the trees themselves. From influencing the global climate to protecting communities and wildlife, these ecosystems play a critical role in maintaining balance.

Carbon Storage: Coastal forests are powerful carbon sinks, meaning they absorb and store carbon dioxide from the atmosphere. When these forests die, they release this stored carbon back into the air, worsening global warming.
Flood Protection: Without coastal forests, communities are more exposed to flooding and storm surges. These natural barriers are irreplaceable in their ability to protect homes, roads, and other infrastructure from water damage.
Wildlife Impact: The loss of coastal forests means many animals lose their homes. Birds, amphibians, and fish that rely on these ecosystems are forced to relocate—or they may not survive at all.

What Can Be Done?

While the challenges facing coastal forests are significant, there are practical steps we can take to protect and restore these vital ecosystems. From preserving existing forests to adapting to the realities of climate change, these actions offer hope for the future.

1. Protect Existing Forests

Taking steps to safeguard the forests we still have is crucial for their survival.

Limit construction and development near coastal areas to reduce stress on these ecosystems.
Establish protected zones where forests can thrive without human interference.

2. Plant More Trees

Replanting trees native to the land can restore damaged forests and strengthen their resilience against climate change.

Reforestation efforts can help rebuild damaged areas and increase the number of trees that store carbon.
Focus on planting salt-tolerant species, native to the land, in vulnerable areas to adapt to rising sea levels.

3. Adapt to Climate Change

Adapting to the realities of climate change can help protect coastal forests and ensure their long-term survival.

Build barriers or channels to prevent saltwater from reaching inland forests.
Use technology and research to monitor changes in forest health and plan for future challenges.

Summing Up

Coastal forests are lifelines for wildlife, shields against floods, and crucial allies in the fight against climate change. Saving these forests matters, not only for the environment but also for the well-being of communities that rely on them. Conservation efforts and innovative solutions are helping some coastal forests recover. And, with collective action, we can ensure these vital ecosystems continue to thrive for generations to come.

Source: Ardón, M., Potter, K. M., White, E., Jr., & Woodall, C. W. (2025). Coastal carbon sentinels: A decade of forest change along the eastern shore of the US signals complex climate change dynamics. PLOS Climate, 4(1), e0000444. https://doi.org/10.1371/journal.pclm.0000444. See the data.

How a Wild Orangutan’s Use of Medicinal Plants Reveals the Secrets of Animal Intelligence

May 12, 2024 / activist360

Left: Pictures of Fibraurea tinctoria leaves. The length of the leaves is between 15 to 17 cm. Right: Rakus feeding on Fibraurea tinctoria leaves (photo taken on June 26, the day after applying the plant mesh to the wound). Scientific Reports (Sci Rep) ISSN 2045-2322.

Nature’s Ingenious Healers

In a new study documented in the lush rainforests of the Gunung Leuser National Park, Indonesia, a male Sumatran orangutan has been observed applying a biologically active plant to a facial wound. This intriguing behavior not only showcases the intelligence of orangutans but also opens new avenues in understanding the evolutionary origins of medicine. Here’s an overview of this fascinating study, which could reshape our understanding of non-human self-medication and its implications for natural healing practices.

Intelligent Healing: Orangutan’s Use of Medicinal Plants

Researchers from the Max Planck Institute of Animal Behavior and several Indonesian institutions captured a rare and enlightening behavior exhibited by a male Sumatran orangutan named Rakus. After sustaining a facial wound, Rakus was observed selecting, chewing, and applying leaves from the Fibraurea tinctoria plant—commonly known as Akar Kuning—directly onto the wound. Over several days, he applied the masticated leaves and juice, effectively managing his injury.

Process of wound healing. Rakus fed on and later applied the masticated leaves of Fibraurea tinctoria to his facial wound on June 25. On June 26 he was again observed feeding on Fibraurea tinctoria leaves (see photo). By June 30 the wound was closed and by August 25 was barely visible anymore. Scientific Reports (Sci Rep) ISSN 2045-2322.

Fibraurea Tinctoria: Nature’s Pharmacy

Akar Kuning is not just any plant; it’s a cornerstone of traditional medicine in Southeast Asia, renowned for its analgesic, antipyretic, and anti-inflammatory properties. The study highlights the presence of furanoditerpenoids and protoberberine alkaloids in the plant, compounds known for their antibacterial and healing capabilities. This suggests that Rakus’s choice of treatment was not coincidental but driven by an intrinsic understanding or learned behavior regarding the plant’s medicinal benefits.

Implications for Human and Veterinary Medicine

This behavior documented by the research team is among the first systematically observed case of a wild animal using a biologically active substance for wound treatment, providing invaluable insights into the potential origins of medicinal practices among humans.

Active wound treatment among great apes was only recently observed for the first time outside of the Sumatran orangutan. In Loango National Park, Gabon, researchers documented chimpanzees from the Rekambo community using insects as a form of medication. These chimpanzees applied insects to their own wounds and those of their peers, with nineteen instances of self-treatment and three instances where they treated other members of their community. This behavior provides further evidence of the sophisticated self-medication practices that exist within the great ape species.

The findings could have significant implications not only for understanding animal behavior but also for veterinary and even human medicine, offering natural alternatives or complements to synthetic drugs.

Evolutionary Perspectives on Health

The observation suggests that the use of medicinal plants is possibly an evolved trait among great apes, indicating that such practices could date back to common ancestors shared with humans. This behavior demonstrates a complex level of cognitive function and environmental awareness, suggesting that orangutans might be capable of health management practices that have evolved independently but parallel to human developments.

Future Research and Conservation Efforts

The study underscores the importance of continued research and conservation efforts in the habitats of orangutans. Understanding their behavior and environment not only helps protect these intelligent creatures but also aids in preserving the rich biodiversity of the rainforests, which holds untapped potential for medicinal discoveries.

Summing Up

The self-medication behavior exhibited by the Sumatran orangutan opens up new dialogues in both the scientific community and public sphere about the cognitive capabilities of non-human primates and their conservation. As we delve deeper into the natural world’s secrets, such studies are pivotal in bridging the gap between human and animal health practices, emphasizing the interconnectedness of all life on Earth.

By promoting awareness and fostering research in these critical areas, we can better appreciate our closest living relatives’ sophisticated behaviors and the natural resources that our planet has to offer. This study is not just a testament to the intelligence of orangutans but also a call to action for conservation and respect for wildlife and their natural habitats.

How Reforestation in the Eastern United States Combats Climate Change: A Century’s Insight

February 18, 2024 / activist360

Borley wood – restoration This view shows a area from which planted exotic conifer species have just been removed to allow site native species to re-assert themselves (NVC W8 ash/maple woodland type), October 17, 2006.

A recent study “A Century of Reforestation Reduced Anthropogenic Warming in the Eastern United States” unveils a silver lining through the lens of historical reforestation efforts in the Eastern United States. Spanning over a century, these endeavors have contributed to the greening of landscapes and played a pivotal role in reducing anthropogenic warming across the region. This study revealed the significant impact of reforestation on local climate mitigation and underscores the potential of nature-based solutions in our fight against global warming.

The Cooling Effect of Reforestation

The research, conducted by a team of environmental scientists, reveals that reforestation in the Eastern U.S. has led to a noticeable cooling of both land surface and near-surface air temperatures. By analyzing ground and satellite-based observations, the study highlights a significant reduction in temperatures, with forests cooling the land surface by 1–2°C annually compared to adjacent grasslands and croplands. This cooling effect is most pronounced during the growing season’s midday, offering a natural buffer against the rising temperatures associated with climate change.

A Shift in Climate Trends

Interestingly, the study correlates the extensive reforestation efforts with the anomalous lack of warming in the Eastern U.S. throughout the 20th century. Unlike other North American regions that experienced substantial warming, the Eastern U.S. showed minor cooling trends, attributed to the biophysical impacts of reforestation. This phenomenon, often referred to as the “warming hole,” underscores the potential of strategic reforestation efforts in tempering regional climate trends.

Implications for Climate Adaptation

The findings of this study underscore reforestation’s dual benefits: sequestering carbon dioxide from the atmosphere and directly cooling the Earth’s surface. In the face of escalating climate change, reforestation emerges as a vital nature-based solution, offering a sustainable pathway for climate adaptation and mitigation. The study’s insights highlight the importance of preserving and expanding forested areas as a proactive measure against global warming.

Renewed Focus on Reforestation & Conservation

As we move forward, the study calls for a renewed focus on reforestation and forest conservation as key strategies in the global climate action agenda. By learning from the century-long reforestation efforts in the Eastern U.S., we can harness the power of nature to forge a cooler, more sustainable future for our planet.

The study provides compelling evidence of reforestation’s positive impact on climate. It serves as a call to action for policymakers, environmentalists, and communities worldwide to invest in reforestation as a practical and impactful climate solution.