Earth Pulse

Plant quarantine is a crucial biosecurity measure aimed at preventing the introduction and spread of harmful pests, diseases, and invasive species that pose significant threats to agricultural crops and natural ecosystems. It is a vital component of international trade, agriculture, and environmental conservation, ensuring the safe movement of plant materials across borders while safeguarding plant health and biodiversity. In this comprehensive article, we delve into the significance of plant quarantine, its objectives, methods, and its pivotal role in protecting global agriculture and ecosystems. In different places of the world, introduced pests/pathogens have destroyed crops and even created famine conditions. It is the possibility of the unintended introduction of major pests/diseases together with the planting material imported without proper protection. Plant quarantine can give such protection. Plant quarantine procedures aim to protect the agriculture of a country or region aga...

The method of trapping and conserving atmospheric carbon dioxide is known as carbon sequestration. Long-term carbon storage in plants, soils, geologic formations, and the ocean is referred to as carbon sequestration. Carbon sequestration is the storage of carbon that has the imminent potential to produce carbon dioxide gas, and it occurs both naturally and as a result of anthropogenic actions. It is one approach to lowering carbon dioxide levels in the atmosphere with the purpose of decreasing global warming. In response to rising concerns about climate change caused by rising carbon dioxide levels in the atmosphere, researchers have been looking into the possibility of increasing carbon sequestration rates through changes in land use and forestry, as well as geoengineering techniques like carbon capture and storage.  Human activities like burning fossil fuels have released carbon from long-term geologic storage as coal, petroleum, and natural gas and transferred it to the atmosphe...

Climate change!!! It is being referred to as the "crisis of our time." Only graphs that become increasingly red and furious. Almost every year sets a new record, from the most extreme heat waves to the fastest glacier melt. We've known for decades that the production of greenhouse gases causes fast climate change. However, instead of lowering emissions, the world actually emits 50% more CO2 in 2019 than it did in 2000. And emissions are continuing to rise. What is the reason for this? Why is it so difficult to simply stop releasing these gases? what are we doing wrong, and how can we solve it? We began breaking CO2 records in 1950 and haven't stopped since. why?  According to scientists, there is a 95 percent possibility that human activity is to blame. To power our houses, factories, airlines, and cars, we have been consuming an increasing amount of CO2-emitting fossil fuels such as oil and coal. There are also many more of us. In the last 70 years, the world's p...

You've definitely heard that carbon dioxide causes global warming, but how does it work? Is it like a greenhouse's glass or an insulating blanket? Well, not exactly. If you look carefully at sunlight divided by a prism, you'll notice dark gaps where color bands are absent. What happened to them? Different gases absorbed specific parts of the spectrum before reaching human eyes. For example, oxygen gas absorbed a portion of the dark red light, whereas sodium absorbed two bands of yellow light. But why do certain colors of light absorb by these gases? This is the point at which we reach the quantum realm. Every atom and molecule has a fixed number of electron energy levels. A molecule must gain energy in order to transfer its electrons from the ground state to a higher one. There will be no more or less. It receives its energy from light, which comes in an infinite number of energy levels. Light consists of small particles called photons, each of which has a different color d...

There are three major rock groups. Igneous rocks occur when magma solidifies, and sedimentary rocks form when rocks and minerals near the Earth's surface weather and erode. Today we'll look at the metamorphic rocks, which are the third major group. Metamorphic rocks are formed when one type of rock experiences physical or chemical changes, resulting in the formation of another rock. Metamorphic rocks are those that have undergone changes as a result of being subjected to extreme heat and/or pressure. Metamorphism is the process that creates metamorphic rocks. After the rock is formed, these modifications occur in the solid state. Changes in the rock occur as a result of changing conditions, such as temperature and pressure, but the presence of hot fluids can also be essential. Metamorphic processes are actually quite widespread in our everyday lives. When we prepare food, we expose it to greater temperatures, which alters the food's composition and texture.  Temperature is ...

The compaction and cementation of sediments is the most common process for sedimentary rocks to develop. There are a few things that we need to know. To begin with, compaction implies exactly what it sounds like: compacting or compressing together. Cementation is the process of bonding or cementing sediments together. But that raises a new question. So, if these rocks are created by the compressing and gluing of sediments, what are sediments? Sediments are rock fragments that have been broken down by the weathering process. Wind and ice, as well as running water, are all examples of weathering. Sediments are little particles of rock formed as a result of weathering. Interestingly, sediments are classified based on their size. So, there are six types of sediment sizes, with clay being the smallest, followed by silt, sand, pebbles, cobbles, and boulders being the largest. In the geologic tapestry of our planet, sedimentary rocks serve as the historical archives of Earth's past. These...

When we envision the vast landscapes of our planet, it's easy to forget that beneath the Earth's surface lies a world of molten rock and intense heat. Igneous rocks, formed through the cooling and solidification of magma or lava, are the very foundation of our planet's geology. From majestic volcanoes to towering mountain ranges, igneous rocks shape some of the most awe-inspiring features of the Earth's surface. In this comprehensive article, we delve into the fascinating world of igneous rocks, exploring their formation, classification, characteristics, and significance in understanding the geological history of our planet. Formation of Igneous Rocks: Igneous rocks originate from the cooling and solidification of molten rock material. This molten material, called magma when beneath the Earth's surface and lava when it reaches the surface, is generated through various processes, such as partial melting of rocks in the Earth's mantle or the ascent of hot mantle m...