Environment (other)
Explore diverse environmental issues beyond conventional topics. Uncover insights into unique phenomena impacting ecosystems and human interaction dynamics.
91 articles
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The ocean depths hold some of the most enigmatic and unexplored landscapes on Earth. Among these mysteries lie the abyssal plains, vast underwater stretches cloaked in eternal darkness and immense pressure. These regions, far from the reach of sunlight, have long remained a source of fascination and intrigue...
Hygrometers are devices used to measure the relative humidity of air or solid materials. Many of us associate them with monitoring or predicting the weather, but these instruments are used in a variety of applications. Such applications include indoor climate monitoring, agriculture, meteorology and the...
Also known as the Peru Current, the Humboldt Current is an oceanic current in the Pacific that extends from Chile to Ecuador, including the Galapagos Islands. Its origin lies in the combined effects of the Earth's rotational movement and the centrifugal force exerted by the oceanic water masses of the...
While commonly associated with flowing streams and pristine lakes, the majority of readily accessible freshwater (excluding polar ice caps and glaciers) resides underground as groundwater. Half the world's inhabitants rely on groundwater for primary or secondary water, making them a significant contributor...
You may have heard the common idiom or some variation which claims a red sky at night is a sailor's delight, but a red sky at morning is a sailor's warning. This is a piece of conventional wisdom which relates to how the sky can indicate potential weather patterns. Not all conventional wisdom is accurate. Although...
In the realm of fluid dynamics, a thermocline emerges as a distinct layer in a body of water where there is a rapid change in temperature with depth. This invisible boundary acts as a barrier, separating warmer, sunlit waters from the cooler, deeper layers. The presence of a thermocline plays a crucial...
Deep ocean currents are driven by a thermohaline circulation, a phenomenon that regulates the global distribution of heat and nutrients in the world's oceans. This complex system of marine currents arises from variations in water temperature and salinity, factors that affect its density. In the polar regions,...
Glacial erosion – a relentless geological process – has shaped the land across vast swathes of our planet. From the Himalayas' towering peaks to Patagonia's expansive plains, its signature remains etched in U-shaped valleys, polished rock surfaces, and dramatic glacial landforms. Understanding this powerful...
The halocline is a zone within a body of water characterized by a highly pronounced salinity gradient. It exhibits an abrupt change in salinity as we go deeper into the body of water, creating distinct transition zones that affect water density and stratification. These characteristics can vary, leading...
Also known as salt pans, salt flats are large areas of ground which are covered in salts due to evaporated water. These are naturally occurring areas which are usually in the form of shallow water basins. The water in these basins need to be saline, meaning they naturally contain a lot of salt. This means...
Soil science is the study of soil, a complex natural system that plays a vital role in agriculture, environmental protection, and human health. Soil is a mixture of minerals, organic matter, air, and water that supports plant growth and provides habitat for a wide range of organisms. Soil scientists study...
Glacial moraines are large deposits of debris which are left over from the movements of glaciers. However, they are not simply waste byproducts created by glaciers. When we observe the structure and form of glaciers, we can see they are divided into various parts. The moraine is a fundamental part of this...
Geographical space is a term used in the field of geography to describe the particular way in which a society is organized within a physical space. This means that it is a concept which is important to both human and physical geography. We can understand this concept best by looking at how societies...
All types of aquifers are important for the water cycle below the Earth's surface, but the different types affects their function. For this part of the water cycle, rainwater infiltrates the ground, occupying pores and cracks in the subsoil, giving rise to underground runoff. Water is stored in aquifers...
Water resources are the natural sources of water which are useful to human society. While this water will be important for all life on the planet, it is sometimes not directly accessible to other forms of terrestrial animals. This means these water resources need to be extracted. While there is an abundance...
Geodiversity encompasses a variety of geological and geographical elements which make up our planet Earth. This includes the various types of rock formation which are themselves made up of composite minerals that interact in fascinating ways. We can see such geodiversity in soils, which not only vary...
Understanding the difference between organic and inorganic compounds is a fundamental principle in chemistry. Essentially, the difference between inorganic vs. organic matter is to do with the presence of carbon. Although this is important on a molecular level, it is a topic which has a great impact on ecology....
Landslides are the downward movement of a mass of soil, rock, debris, or a combination of these materials along a slope or hillside. They can be caused by a variety of factors, including heavy rainfall, earthquakes, volcanic eruptions, and human activities such as deforestation and road construction....
Floods are a natural disaster that can be caused by a variety of factors, including natural meteorological phenomena, human-induced construction and activities, and climate change. While some floods are uncontrollable and unpredictable, others can be prevented or mitigated with proper planning and management.
This...
Aquaculture is a set of activities, techniques and knowledge on the cultivation of aquatic plant and animal species. Different areas will have their own specialized crops and livestock depending on their requirements. As a farming model, aquaculture provides many advantages such as reducing the overexploitation...
The world's seas and oceans are currently facing significant environmental challenges, including pollution, which have a notable impact on fisheries. One of the most pressing issues in recent years is overfishing. It is not only a concern in marine environments but also affects terrestrial ecosystems due to activities...
Forest fires, also known as wildfires, are natural or human-induced infernos that ravage vast expanses of wooded areas, leaving destruction and ecological impacts in their wake. These fires are a formidable force of nature, capable of spreading with astonishing speed and intensity, fueled by the abundance...
The exposome is a concept that refers to the cumulative environmental factors to which an individual person is exposed throughout their lifetime. This refers to the time period between birth and death. While it is helpful to understand the negative environmental factors which can harm the human organism,...
Soil formation takes a long time and is generated in a process which results in layers of varying composition, consistency, texture and color. These layers are known as the different soil horizons. When we look at how these different soil horizon layers are arranged, we can see what is known as the soil...
In the intricate tapestry of ecosystems, biotic factors play a crucial role in shaping the dynamics of life. An ecosystem comprises a delicate balance of both biotic and abiotic factors, with biotic factors representing the living organisms and the intricate relationships they form. When we think of biotic...
Sea waters, also known as ocean waters, encompass the vast bodies of saltwater found on Earth. They are a significant component of the hydrosphere, comprising about 97% of the planet's water. The distribution of ocean waters is extensive, covering approximately 70.8% of the Earth's surface. These expansive...
The enchanting rise and fall of ocean waves has always stirred our imagination. But behind their serene beauty lies a powerful force of nature that shapes and reshapes the intricate contours of our coasts. This force is known as coastal or marine erosion, a fascinating geological process that shapes the...
A heat wave can be generally defined as a period of prolonged hot weather which is excessive for a given climate. They are among some of the most devastating weather events, especially because their nature means they occur over a prolonged period of time. A consensus agreement has not yet been reached...
Forest fires pose a significant threat to natural territories in many countries, particularly during the warm months. The scale of destruction caused by these fires can be catastrophic, as witnessed in various regions such as the Amazon and Australia. While the commendable efforts of emergency teams and...
The striking red mineral known as cinnabar has fascinated people for centuries with its unique properties and versatile applications. It has been used for everything from pigment in art to medicine and industrial processes. Although it is highly prized for its bright color, the use of cinnabar also carries...
Forests and jungles are two of the most beautiful and fascinating natural environments on our planet. Both are filled with an abundance of life, from towering trees to exotic animals, making them some of the most fascinating ecosystems to study. Although forests and jungles share some similarities, they...
Every year, World Water Day is celebrated on 22nd March. This event was established by the United Nations in 1993 to raise awareness about the importance of safe water for world communities. While many of us take access to safe drinking water for granted, this essential resource for life is not available...
We should know that water gives life to our planet, but not all water is the same. Although 71% of the Earth's surface is covered by water, the vast majority is saltwater found mainly in seas and oceans. This saline water represents 97.5% of all water on Earth. While we may think the rest is freshwater,...
The temperature ranges of our planet are incredibly dynamic, but we can find the coldest zones at the poles. Especially during winter where there is no sunlight, temperatures drop dramatically with levels being recorded as low as -89 ºC (-128.2 ºF). The result of such sub-zero temperatures is found...
Supporting our environment is not a selfless act. Finding ways to reduce the impacts of climate change and the environmental degradation our world faces is the only way to ensure our future. The same applies to future generations. Knowing how to slow or even reverse the effects of environmental degradation...
We should all be aware of environmental impact in a general sense. When we discuss the environmental impact of something, we refer to the consequences certain actions have on the larger environment. Such impacts can be large or small and they do not always have to be negative. Our very existence will have an impact...
Biosecurity is the preventive measures various organizations take to prevent the spread of harmful organisms and ensure the health of an ecosystem. It is of vital importance to the health and wellbeing of all countries around the world, helping to prevent the spread of infectious agents that cause disease....
Deforestation will occur to some degree due to natural causes. Some ecosystems have their own ways of regenerating and continuing their lifecycles. Human action on various ecosystems has also caused deforestation, something which has been important for various types of infrastructure and other aspects of civilization....
The salinization of aquifers is when these freshwater groundwater reservoirs become saline, i.e. water that has more dissolved salts than fresh water should contain. Aquifers contain much of the world's water resources since they often contain salt water which we can use for drinking and many other purposes...
It is easy to feel helpless when it comes to protecting our world's ecosystems. Corporations and industries which pollute and destroy on a large scale can make our own contributions seem pointless. While it is true that individual responsibility will only get us so far in terms of conservation, it is not...
A canyon is a geographical formation characterized by a deep and relatively narrow valley with steep walls. Canyon formation occurs primarily by the erosive action of a river over millions of years. This landform is a type of relief that can be found in different parts of the world. They are particularly...
In geography, a plateau is a large geological structure which has a flat or gently undulating structure at least 500 meter above sea level. This highland landform is also known as a tableland or high plain. This is because they are a flat surface at heigh which mimics the basic structure of a table,...
There are different types of valleys which differ due to their formation. Although most valleys are formed by erosion or tectonic movements, even these factors can be very different from each other. The resulting valleys take on their characteristic shape due to the nature of this erosion. If we see...
The field of topography is an important aspect of physical geography. It involves the study of the surface of landforms with a particular emphasis on elevation. A hill is a natural landform which is elevated from the area surrounding it. This means they don't have to start at sea level since some may only...
Climate study is a field within geography. Studied within this discipline are the overarching factors which determine climate and weather patterns around the globe. There are also small-scale phenomena that directly influence the environmental conditions of specific geographical areas. One of these is the...
Carbon sinks are systems that absorb and store carbon dioxide (CO₂) from the atmosphere. Known as sequestration, this is a process which can be carried out naturally or artificially. Their role is fundamental in the context of climate change, as they help reduce greenhouse gas concentrations. This makes...
A river valley is a landform characterized by a depression or basin of land formed by the erosion of a natural stream of water. Valleys are common geographical features, some of which have created some of the most beautiful vistas in nature. They are also very important ecosystems for various plant...
Seracs are large blocks of ice that form on glaciers , especially in areas with steep slopes or uneven terrain. They are formed by the fracture of ice due to internal stresses caused by the movement of the glacier. They are both extremely important in glaciology and dangerous for ecosystems. These blocks...
A ravine is an abrupt geographical feature generated on the surface of the ground that is charactertized by relatively steep sides and a narrow space between them. The formation of ravines has various causes, but water erosion is one of the most common. Tetonic activity can also influence ravine formation....
While heavy water is a type of water and shares the same chemical elements, the configuration of these elements gives it distinct properties to regular water. It derives its common name from the fact that the normal hydrogen atoms are replaced by the much heavier isotope of hydrogen known as deuterium....