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Cocaine pollution alters salmon behaviour in the wild

A recent study by researchers at Griffith University and others found that exposure to cocaine contamination altered the movement patterns of Atlantic salmon in Lake Vättern, Sweden. Fish exposed to benzoylecgonine swam up to 1.9 times farther than unexposed fish, with dispersal distances reaching up to 12.3km.

SourceGriffith University·JournalCurrent Biology·DateApr 20, 2026

Opioids and other drugs accumulating in freshwater fish

A new study reveals that freshwater fish are accumulating antidepressants, opioids, and other drugs of abuse in their bodies, which can alter their behavior, development, and reproduction. The research uses a novel analytical method to detect these substances in small fish living in rivers receiving urban wastewater.

SourceUniversity of Waterloo·JournalEnvironmental Pollution·TypeExperimental study·DateApr 16, 2026

Can naked mole rats peacefully hand over power?

Researchers at Salk Institute discovered that naked mole rats can transition to peaceful queen succession, demonstrating flexibility in their social order. This finding challenges previous understanding of colony dynamics and opens new avenues for studying eusocial mammals.

SourceSalk Institute·JournalScience Advances·DateApr 15, 2026

Scientists reveal how regional species pools shape tree diversity and rarity in subtropical and tropical forests

A large regional species pool, driven by favorable climates, varied habitats, and stable historical climates, supports both high diversity and many rare trees. Forests with larger species pools require prioritized protection to preserve forest diversity and save rare and endemic species from human disturbance.

SourceKeAi Communications Co., Ltd.·JournalPlant Diversity·TypeData/statistical analysis·DateApr 9, 2026

Soundscapes from nearby forests are more uplifting than those from faraway places

Experiment with 195 students in Germany found that local forest soundscapes had stronger positive effects on mental wellbeing, especially when participants felt familiar with the sounds. The study revealed that perceived animal diversity and familiarity played a significant role in triggering feelings of awe and restoration.

SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalJournal of Environmental Psychology·TypeExperimental study·DateApr 9, 2026

Why treelines don’t simply rise with the climate

A global study reveals treelines shift upslope in 42% of cases, retreating in 25%, due to complex interactions between temperature and human interventions like land use changes. Treeline dynamics also influenced by natural disturbances like fires.

SourceUniversity of Basel·JournalInternational Journal of Applied Earth Observation and Geoinformation·DateApr 9, 2026

Avoiding the very hungry caterpillar

A team of researchers at Kyoto University found that predatory mites avoid laying eggs on plant leaves bearing traces of caterpillars. Additionally, they discovered that even when predators are unlikely to encounter caterpillars, they still avoid their traces.

SourceKyoto University·JournalEcosphere·TypeExperimental study·DateApr 8, 2026

Green skepticism indirectly reduces intention to purchase sustainable products

A study from Hiroshima University found that green skepticism weakens two key drivers of green consumption: seeking trustworthy environmental information and anticipated guilt about making less sustainable choices. This challenges the common assumption that skeptical consumers will investigate more before deciding on purchases.

SourceHiroshima University·JournalSustainability·TypeData/statistical analysis·DateApr 7, 2026

Versatile, degradable polymers through novel domino polymerization

Researchers have created a novel monomer that allows for the synthesis of poly(disulfide)s with arbitrary side-chain structures through domino polymerization. The polymers exhibit degradability in reducing environments, including biological systems, making them suitable for drug delivery systems and medical applications.

SourceOsaka Metropolitan University·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 3, 2026

Biochar reshapes ant societies, revealing hidden ecological trade-offs in soil restoration

A new study reveals that biochar significantly enhances ant ecological functions as ants' social behaviors and nest site selection specificity improve with moderate levels of biochar. However, higher doses lead to reduced survival, weakened nest construction, and decreased social interactions.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 2, 2026

Tuning biochar temperature unlocks major nitrogen savings in food waste composting

Researchers discovered that carefully selecting the temperature used to produce biochar can optimize both environmental performance and compost quality. Biochar produced at a moderate temperature achieved the optimal balance between ammonium adsorption and microbial nitrification, resulting in a 46.3% reduction in total nitrogen loss.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 2, 2026

Pesticides and cancer: A study reveals the biological mechanisms behind an environmental health risk

A study published in Nature Health reveals a strong link between pesticide exposure and the risk of developing certain cancers. The research shows that pesticide exposure increases the risk of cancer by 150% in areas with high levels of pollution, and highlights early biological effects before cancer develops.

SourceInstitut Pasteur·JournalNature·TypeComputational simulation/modeling·DateApr 1, 2026

Vegetation patterns and ecosystem resilience: relationship status “complicated”

Researchers challenge long-held assumptions about vegetation patterns in dryland ecosystems, finding that such patterns can actually indicate reduced ecosystem resilience. The new theoretical framework takes into account spatial constraints and environmental heterogeneities, revealing that ecosystem stability depends on specific enviro...

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateApr 1, 2026

New UBC Okanagan research says trees give visual clues as they rehydrate each spring

A UBC Okanagan researcher has discovered that trees provide simple visual cues through branch movement, indicating rehydration or water stress. The study found that balsam fir branches drooped during dry periods and lifted when rehydrating, offering a potential low-cost indicator for tree hydration.

SourceUniversity of British Columbia Okanagan campus·JournalHydrological Processes·TypeObservational study·DateApr 1, 2026

Biochar from peanut shells boosts soil health and crop quality over the long term

A six-year field study reveals that biochar made from peanut shells improves soil fertility and enhances crop quality by reshaping soil microbial communities. The study shows that biochar acts as both a habitat and a nutrient source for beneficial microbes, promoting plant growth and increasing soluble sugar content in tobacco leaves.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateMar 31, 2026

FAU study finds parasites defy biodiversity rules, thriving far from the equator

Researchers found that trematode parasites are more abundant in cooler temperate waters, defying the typical pattern of higher biodiversity near the equator. Temperature and host mobility play a major role in shaping parasite distributions, with certain species thriving in areas where hosts can tolerate infections better.

SourceFlorida Atlantic University·JournalJournal of Biogeography·TypeMeta-analysis·DateMar 31, 2026

Wildlife-friendly landscapes dramatically boost biodiversity in fragmented forests

A new study reveals that improving surrounding landscape quality can increase bird species survival in forest remnants, with modest increases in nearby tree cover substantially boosting numbers. This contradicts traditional views on habitat fragmentation and highlights the importance of a more hospitable matrix for conservation.

SourceUniversity of East Anglia·JournalProceedings of the National Academy of Sciences·DateMar 30, 2026

A new practical introductory guide on green roofs and walls to EU member states and local stakeholders launched to support the implementation of the Nature Restoration Regulation

The report, prepared by BioAgora, highlights the benefits of building-integrated greenery for biodiversity, climate resilience, energy efficiency, and human wellbeing. It offers actionable guidance for local authorities to integrate green roofs and walls into spatial planning and building codes.

VertINGreen unveiled turning indoor green walls into smart, living systems breathing life into buildings

Researchers have developed VertINGreen, a web-based platform that transforms vertical green walls into intelligent environmental systems using remote sensing technology and machine learning. This system enables precise planning and real-time monitoring of indoor plants, reducing maintenance costs and increasing the benefits of green wa...

SourceThe Hebrew University of Jerusalem·JournalIndoor Air·TypeExperimental study·DateMar 26, 2026

Oyster reefs off the US Atlantic coast remove more nitrogen and provide greater economic value than previously estimated, and their restoration may be effective in maintaining water quality and improving marine ecosystems

Restored oyster reefs in the US Atlantic coast remove more nitrogen from the water than previously estimated. Additionally, their restoration provides greater economic value for coastal communities, supporting sustainable marine ecosystems.

SourcePLOS·JournalPLOS One·DateMar 25, 2026

Are mercury levels elevated across US conservation lands?

A study analyzing dragonfly larvae found moderate to high-risk mercury sites across 30 US National Wildlife Refuges, posing threats to fish, wildlife, and human health. The research provides baseline measurements for tracking change and informs future management actions to reduce mercury bioaccumulation.

SourceWiley·JournalThe Journal of Wildlife Management·DateMar 25, 2026

Cactus catalogue could help plant’s prickly problem

A new open access database of cactus ecology and evolution could help scientists and conservationists save species from the brink. The CactEcoDB offers an unprecedented window into the evolution, ecology and conservation needs of one of the world's most distinctive and endangered plant families.

SourceUniversity of Bath·JournalScientific Data·TypeData/statistical analysis·DateMar 25, 2026

Dormice weight fluctuates as climate changes

New research suggests that climate change causes dormice to gain weight before hibernation but lose weight after, potentially as a result of smaller bodies losing heat faster. The study also found that habitats with higher density hedgerows were associated with heavier dormice.

SourceUniversity of Exeter·JournalScientific Reports·DateMar 25, 2026

Aggressive female fish put stop to mating - may lead to new species

Research from Lund University reveals that female mosquitofish from different habitats exhibit aggression towards males from other environments, leading to reduced fertilization success and potential reproductive isolation. This phenomenon highlights the importance of female resistance as a mechanism underlying evolutionary processes.

SourceLund University·JournalBMC Ecology and Evolution·DateMar 24, 2026