Despite massive investments in plantations for the past more than 10 years, Punjab continues to have one of the lowest forest cover in the country in terms of percentage.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/forest-cover-punjab-bottom
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deforestation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab