Carbon offsetting is a fraught science, but there are schemes that have additional benefits beyond their carbon-mitigation value.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/co-benefits-carbon-management-country
[2] http://admin.indiaenvironmentportal.org.in/category/author/donna-green
[3] http://admin.indiaenvironmentportal.org.in/category/author/liz-minchin
[4] http://admin.indiaenvironmentportal.org.in/category/journal/nature-climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-offset
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-mitigation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-tax
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emission-targets
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-fires
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/traditional-knowledge