http://chemtrailsplanet.net/2013/11/05/nasa-documents-reveal-climate-change-caused-by-covert-weather-weapons/
“Present and Future Plans of Federal Agencies in Weather-Climate Modification”
This set of documents from 1966 reveals a network of government agencies in perpetual and secret collaboration with each other and the military to Modify the Global climate. Created by the elitist National Academy of Sciences – decades of an inter-agency culture of secrecy explains why the issue of covert aerosol Geoengineering is a taboo topic to be degraded to the status of “conspiracy theory” by a matrix of complicit bureaucrats at every opportunity. This is why your local TV “meteorologist” will rarely make a helpful comment about an unusual sky filled with persistent jet trails.
Also read the document:
WEATHER MODIFICATION: The Evolution of an R&D Program into a Military Operation