Tag Archives: environment

Limiting environment speeds up the opening of serotinous cones and decreases aerial cone banks

Serotiny, the maintenance of closed cones after maturation (Fig. 1), is a key adaptive trait of plants in fire-prone environments. However, in moderately serotinous species, cones may open in the absence of fire under hot and dry

Active ingredients in personal care products detected throughout the environment

On a daily basis, we use a variety of personal care products, including soaps, detergents, sunscreens, fragrances, insect repellents, cosmetics, and shampoos.  In fact, the US Bureau of Labor Statistics estimates that the average household spends over

Designing physical activity environments to include nature enhances positive physical and psychological benefits

Physical inactivity has been identified as a pressing health issue across the globe because has been directly related to mental and physical ill health. Insufficient physical activity (PA) is now the fourth leading underlying cause of premature

Autonomy, reciprocity and respect: cultural values and their impact on indigenous children’s development

Child development is currently a topic of concern for scientists, teachers and governments. Ethnography, Cultural Psychology and Human Ecology have contributed to criticize the idea of universal pathways of human development, stressing the intimate relationships between children’s

Perfluorinated compounds in the atmosphere of Shenzhen, China

High volume air samples taken to 13 sampling sites that were chosen in 6 districts of Shenzhen, China from September to November, 2011 were analyzed for 11 perfluorinated compounds (PFCs). A set of ionic nonvolatile PFCs including

Climate change may add significantly to the impacts of pollution and habitat loss on fish populations

Climate change is seen globally as a major environmental risk, along with pollution and the loss of natural habitats. Many regions of the world are predicted to experience increasing climatic fluctuations and extremes, including either drought or

Salt marsh restoration reduces mercury methylation

In this paper we describe analysis of mercury in sediment cores collected from an area of land behind a dyke one year before, and one year after, it was intentionally breached as part of a managed retreat

Africa’s roads to ruin?

Africa’s natural environments and spectacular wildlife are about to face their biggest challenge ever. In a recent paper, my colleagues and I assessed an infrastructure-expansion scheme for Africa so sweeping in scope, it is dwarfing anything the

The behaviors of microplastics in the marine environment

Due to their inexpensive, lightweight and durable properties, plastics hold a highly prevalent place in contemporary society, with extensive commercial, industrial, medicinal and municipal applications. Most of plastics are used in single-use applications, or other short-lived products.

Hormesis: umbrella mechanism only for agents present in the environment

Hormesis is a concept of biphasic dose-response to toxicological and pharmacological stimuli. According to this concept, a harmful factor at a small dose can exert a beneficial action. Among the known hormetic agents are numerous chemical substances

Development of cheap, eco-friendly and sustainable amendments to improve plant growth

Phosphorus (P) is an essential nutrient for the growth and development of plants. Its limited availability due to the low solubility, often limits crop production. Therefore, soluble phosphate fertilizers are commonly applied to achieve maximum crop productivity.

Observing the SAfETy of our schools

Last year, the Report Card for America’s Infrastructure gave schools a D. The reasons for this near failing grade centered on the lack of investment in either maintaining older buildings or building new schools to accommodate increasing

Metallic iron for environmental remediation: ending a myth

Iron corrosion is widely known as a destructive process. However, several useful applications of this process are known. Three examples are: consumption of humidity in food packaging, H2S removal from biogas and water treatment. Water treatment by