Category: Ecology »

Classification, techniques and cellular processes of microbial remediation

In the previous article, the concept of bioremediation was introduced as an answer to the rising instances of environmental pollution. Although the act of bioremediation can be performed by a wide range of organisms including plants, fungi and microorganisms. Microbial remediation has proven to be the most advantageous and efficient process owing to its wide span of metabolic pathways and enzymes. In this article, bioremediation as a process has been classified, on the basis of application and cellular level processes by the microorganisms.  Read more »

Bioremediation is an effective remedy for environmental pollution

Contaminated sites, whether on land or in aquatic environments are increasingly becoming a frequent sight. This is due to rapid increase in population and a fast pace of technological advancement. So direct consequence of such large scale contamination is loss of sources for fresh air and water. On the other hand exposure to dangerous chemicals lead to loss of natural habitat and its accompanying natural resources (2). Although several strategies have been applied time and again to control or restore such polluted habitats. However these methods are either cost intensive or inefficient. In such scenario bioremediation can be one of the best solutions to incidences such as:. Read more »

Organic waste management across the world

Organic waste often referred to as ‘green’ waste actually is that type of waste which originates from unprocessed and untreated materials such as food products, garden materials and lawn trimmings (Chernicharo, 2003). Organic waste commonly contains disposed biodegradable items scheduled to undergo further molecular breakage of carbon dioxide, methane gas or water. Read more »

Importance of marine protected areas in India

Marine parks and marine reserves come under Marine Protected Areas (MPAs’), areas which are designated and effectively managed to protect marine ecosystems, processes, habitats and species. Which contribute to the restoration and replenishment of resources for social, economic and cultural enrichment (Reuchlin-Hugenholtz & McKenzie, 2015). These marine protected areas include subtidal and intertidal regions like wetlands, mangroves, coral reefs, sea weed and sea grass among others. According to the United Nations, as of 2014, a total of 3.41% of world’s marine area is protected. Read more »

Impact of industrialisation on health in India’s urban areas

In comparison with urbanisation and industrialisation process at the global level, India is moving on uniform pattern to become an urbanized country. The share of urban population in the country is growing by 6% per decade (Butsch, Sakdapolrak, and Saravanan 2012). It means that India will become up to greater extent fully urbanized between 2040 and 2045. In the recent scenario, approximately 15% of the urban population of India is residing in one of the four largest metropolitan cities namely, Delhi, Mumbai, Kolkata, Chennai which will grow to 42% by 2020 (Tripathi 2013). This growing pace of urbanization is posing health related problems for the urban population due to poor environmental hygiene. It is the result of growing pace of industrialization that poses risks to the urban population in every dimension. Read more »

Impact of global warming on India’s agriculture

In the twenty first century, global warming has become an issue of high concern among most countries in the world.  Not even a single day is passed without hearing news such as farmers committing suicide because of meteorological drought or people being displaced by flood or heavy rainfall in a particular region. Read more »

Carbon sequestration to prevent global warming

Global warming has been a trending topic in the last two decades. Many people have blamed it on the recent climate change. Global warming is defined as the gradual increase in the overall temperatures on the earth’s atmosphere (Peters, Andrew, & Boden, 2013). It is caused by increased release of carbon dioxide, chlorofluorocarbons and other pollutants in the air. Read more »

Economic growth at the cost of environment: A case of Mahan coal block

The current NDA government (2015) under the leadership of Narendra Modi made promises that will place India on a strong foot internationally and environment being one of them. The Prime Minister in his Independence day speech spoke about “zero defect, zero effect” policy, referring to industrial effects on the environment (Indian Express 2015). Read more »

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