A fairly comprehensive and even-handed look at chemtrails, their history, and the people who believe them. Even touches on the Kucinich bill. Very long, so I'm just going to quote from the conclusion and let everybody read it on their own.
More popular than ever, chemtrails is the perfect 21st century conspiracy. It combines the 20th century fear of poisonous fallout with anxiety over very real changes in climate and pollution of the atmosphere, including by some of the very toxins and metals said to be ingredients in "chemtrails soup."
Like most conspiracies, there are grains of truth in its basic components. The planet is under attack. The climate is undergoing drastic changes. Governments do lie. Pollution is causing more and more respiratory illness. The military does have secret weapons programs, some of them involving high-frequency weapons and weather modification.
How individuals choose to deal with these truths -- and the larger context of civilizational crisis and individual powerlessness -- is up to them, of course. But there are healthier and much more relaxing ways of projecting skyward than imagining genocidal Illuminatic air fleets spraying toxic soup.
There is one good alternative we all learned in boy and girlhood, before computers and Internet-driven conspiracy theories began draining so much of our personal and cultural energy. It involves going outside on a nice day, finding a warm patch of grass and watching the clouds (contrails, too) as they spread, crisscross and drift.
It's amazing what we can see in the clouds. Frolicking bunnies, mating mountain goats, leaping unicorns, comforting angels. All sorts of wonderful, fantastical things…
http://www.alternet.org/environment/122849/?page=entire