Here are just a few resources highlighted :
http://www.publications.parliament.uk/pa/cm200910/cmselect/cmsctech/221/221.pdf
http://www.geoengineeringwatch.org/wp-content/uploads/2013/01/R41371.pdf
http://www.cfr.org/projects/world/geoengineering-workshop-on-unilateral-planetary-scale-geoengineering/pr1364
http://www.theguardian.com/environment/2012/oct/15/pacific-iron-fertilisation-geoengineering
http://www.imo.org/MediaCentre/PressBriefings/Pages/47-ocean-fertilisation.aspx
http://www.theguardian.com/environment/2012/feb/06/bill-gates-climate-scientists-geoengineering
http://news.cnet.com/8301-11128_3-10218083-54.html
http://acrf-campaign.arm.gov/isdac/
http://truthstreammedia.com/cia-funds-630000-global-climate-control-study-chemtrails-anyone/
http://in.reuters.com/article/2012/08/30/climate-sunshade-idINDEE87T0K420120830
See also:
What in the World Are They Spraying?
What in the World Are They Spraying? (Full Length)
"Why in the World are They Spraying?" NEW Critically Acclaimed Documentary [HD FULL]

Aaron Dykes on Chemtrail/Geoengineering Agenda + DOCS
ChemTrail and GeoEngineering Report 1 by Aaron Dykes - 11152011
~support & study: http://goo.gl/N3XYW ~Rosalind Peterson of Agriculture Defense Coalition Website and the California Skywatch