/topics/contamination-pollution-and-quality
Contamination, Pollution and Quality
Removing chromium from polluted water using hyacinth
Posted on 07 Sep, 2017 04:59 PMHeavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe.
![Water hyacinth. Image courtesy India Water Portal.](/sites/default/files/styles/featured_articles/public/iwp/5786278224_d2005f2a01_z.jpg?itok=uBCAzqrt)
A Data Journey in Odisha
Posted on 06 Sep, 2017 02:22 PMBack in 2015, the Member of Parliament (MP) from Balasore, Odisha got to know about a strange problem in his constituency. There were reports of a number of bone deformities and crippled people in areas surrounding Patripal village of Remuna block. They seemed to be related to fluoride in water, causing a disease called Skeletal Fluorosis.
![2015–16 Fluoride data of Remuna, Balasore, Odisha](/sites/default/files/styles/featured_articles/public/iwp/1-c4iet-ef2rljz39swo2pla.jpeg?itok=WMQVw_91)
Combating climate change with nanomaterials
Posted on 05 Sep, 2017 10:00 AMThe list of environmental problems that the world faces may be huge, but some strategies for solving them are remarkably small.
![Photo of pollution-absorbing nanosponge courtesy of Jeff Fitlow/Rice University](/sites/default/files/styles/featured_articles/public/iwp/article_nanomaterials_main-760x378.jpg?itok=sHb4ZYoy)
Ganapati idol immersion continues despite ban
Posted on 30 Aug, 2017 05:28 AMDespite ban, immersion of Ganpati idols made of PoP continue in Bengaluru lakes
![Ganesh Visarjan (Source: Wikimedia commons via Chetan Gole)](/sites/default/files/styles/featured_articles/public/iwp/1280px-ganesh_visarjan_at_futala_by_chetan_gole.jpg?itok=KVVHck38)
UP's religious smart city plan gets rejected
Posted on 22 Aug, 2017 09:55 PMCommittee rejects UP's plan for a religious hi-tech smart city
![Ganga at Garhmukteshwar (Source: IWP Flickr Photos)](/sites/default/files/styles/featured_articles/public/iwp/6171494645_920f644b53_z_3.jpg?itok=zGXjKbSX)
Flood situation improves in Bihar and West Bengal
Posted on 22 Aug, 2017 09:34 PMBihar floods: Fear of epidemic looms large
![Army engaged in rescue operations. (Photo by Pranab Kumar)](/sites/default/files/styles/featured_articles/public/iwp/army_in_rescue_operation_in_lower_assam._pic_courtesy-_pranab_kumar_das_1_0.jpg?itok=G38ZASfu)
Over 60 pc river stretches polluted: Government
Posted on 16 Aug, 2017 06:09 AMGovt says out of 445 river stretches, 275 are polluted
![Polluted Yamuna river in Agra (Source: IWP Flickr photos)](/sites/default/files/styles/featured_articles/public/iwp/2449965048_3684c8f1bb_z_1_1.jpg?itok=h-56PtL5)
Bad times at Baddi
Posted on 09 Aug, 2017 05:59 AMWhen Satya Devi was a child, the open well near her house in the village of Malku Majra was the water source for the household. She reminisces, “The water was clean and soft. The well would never go dry.
![The state pollution control board insists that none of the factories in the area allow any pollutants to be discharged into the environment. The state of the surface water bodies, however, belies this statement.](/sites/default/files/styles/featured_articles/public/iwp/35804022181_77d90015e4_z.jpg?itok=Kq97ip38)
What happens to your e-waste?
Posted on 05 Aug, 2017 05:44 PMTake a walk through the maze of lanes at Seelampur in north-east Delhi, you could see small children rummaging through electronic waste that has made its way here from all over north India. They segregate end-of-life electrical and electronic products, prise them apart, put them through acid wash and also burn circuit boards in the hope of extracting precious metals.
![Boys sort discarded computer parts as sparks fly from a grinding machine. (Image: Greenpeace, Flickr Commons; CC BY-ND 2.0)](/sites/default/files/styles/featured_articles/public/iwp/greenpeace_1.jpg?itok=YclhfSvl)
Maharashtra wetlands face threat
Posted on 01 Aug, 2017 01:49 PMIllegal slums on Maharashtra mudflats cause loss to state
![Sewri mudflts in Mumbai (Source: IWP Flickr photos)](/sites/default/files/styles/featured_articles/public/iwp/33456608801_60dfe81e82_z_1.jpg?itok=98kMpFgJ)