Changes

Jump to: navigation, search

Timeline of pollution in Delhi

468 bytes added, 17:00, 9 May 2019
no edit summary
|-
| 2003 || || {{w|Air pollution}} || Delhi wins the {{w|United States Department of Energy}}'s first 'Clean Cities International Partner of the Year' award for its "bold efforts to curb air pollution and support alternative fuel initiatives".<ref name="cities.expressindia.com">{{cite web|url=http://cities.expressindia.com/fullstory.php?newsid=85665 |title=Express India |publisher=Cities.expressindia.com |accessdate=11 March 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20101231054504/http://cities.expressindia.com/fullstory.php?newsid=85665 |archivedate=31 December 2010 }}</ref>
|-
| 2007 || || {{w|Air pollution}} || Study finds that the conversion of buses from diesel to CNG in Delhi helped reduce {{w|particulates}}, {{w|carbon monoxide}}, and {{w|sulfur oxide}}, while lowering the sulphur content of fuels cut both {{w|sulfur dioxide}} and – due to SO2 converting to sulphates, fine particles (PM10). Another study only identified lower CO as a result of the change to {{w|compressed natural gas}} in Delhi.<ref name="Delhi air quality"/>
|-
| 2009 || || || Delhi allows the use of only virgin plastic.<ref name="Urban Environmental Governance"/>
62,434
edits

Navigation menu