Every ecosystem has an indicator species whose existence and population indicate the health of an ecosystem. A member of the Delphinidae family, the orca, is considered an indicator species for assessing the health of marine ecosystems. As an apex predator in the marine food chain, the orca can camouflage itself becau…
Read moreThe greenhouse gases in the earth's atmosphere possess different Global Warming Potentials (GWP). Carbon dioxide is assigned a GWP of one and serves as a base for calculating the potential of all other greenhouse gases. The idea of carbon trading began to spread after the Kyoto Protocol was signed by almost 180 countries bac…
Read moreEcosystems comprise communities of living things and abiotic factors that surround them. At the next level is the variety of ecosystems at a particular place known as ecological diversity. It is slightly different from biodiversity, which is the variety of 'life'. It would not be incorrect to say that ecological diversit…
Read moreModern times are seeing incessant technological advancement and development which is the prime cause of expanding cities. Cities have always been known to provide better employment, health, education, housing, and infrastructure facilities, thus attracting the population from rural areas. While the needs of the population must b…
Read moreZainab Imran, Green Blogger The terms global warming and climate change are often used interchangeably without much regard for the minute difference that sets them apart. Global warming is a cause, the effect of which is climate change. Thus, the two are linked in a cause-and-effect relationship. Global warming itself,…
Read moreZainab Imran, Green Blogger All the naturally occurring components of the earth are not just interconnected with one another but each component plays a significant role in maintaining the balance of the earthen system. One such vital component of the earthen system is the soil. The lithosphere comprises the crust, which includes…
Read moreThe elementary unit of nature, an ecosystem, comes into being when two major components of nature, the abiotic or biotope and the biotic or biocenosis, interrelate and influence one another [1]. Physical factors such as light, temperature etc. make up the abiotic component while all organisms are part of the biotic component of natu…
Read moreWould we be able to breathe if our lungs were damaged? The answer to this is known to all of us. Rainforests are the lungs of planet Earth. We breathe in oxygen while they take in carbon dioxide and give out oxygen. Carbon dioxide is a greenhouse gas which means that its presence in the atmosphere in amounts greater than its natura…
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