Every Chennaiite produces around 700 grams of solid waste, on an average, every day.
MoEFCC questioned for poor monitoring of coal mining firms

New Delhi: A parliamentary committee has pulled up the environment ministry and directed it to properly monitor green clearances given to coal mining firms, particularly in states like Goa, ministry officials said.
The 30-member committee, with multi-party representation from the Lok Sabha, also looked into the adverse impact of mining on the health of people living in the area.
Some members of the committee confirmed the panel met but declined to divulge details, stating that they are
There are 3 different types of contaminants of water
- Chemical contaminants, which include both organic and inorganic contaminants,
- Microbial contaminants and
- Radioactivity. Contamination in a wider sense is defined as those components present in water which may cause harm or damage cause for which the water is being used.
For example, presence of Coliform does not necessarily pose a threat to the Boiler water as it does during consumption by human, While a sample of hard water may damage the Boiler forming scale. Even an extreme higher or an extreme lower pH may also be considered as contaminant in drinking water.
Mainly soil and water (Sewage and wastes), contaminants carried by flood and other natural disasters, surface contamination by animals, aerial contamination are the sources. River water gets contaminated through disposal of sewage; while fertilizers and pesticides from land enter into underground water adding to chemical contamination. The nature of the soil and the minerals present in a particular place, e.g., mineral oils.Animals
With fishermen in the country increasingly opting for mechanisation and motorisation, principal scientist and scientist in-charge of Central Institute of Fisheries Technology(CIFT) M M Prasad said that as climate change is showing alarming trends, the contribution of fisheries to greenhouse gases (GHG) need to be considered, even though it is not substantial.

