Plastic-free conference!  It can be done! These guys were quite thorough: http://theconversation.com/we-organised-a-conference-for-570-people-without-using-plastic-heres-how-it-went-120157?fbclid=IwAR27oQvhEp7qggWB-v5mXOtl-8KY1emLsaIpZMQeHwvx0qTly8zGfHS_tuY

A cool way to reuse any plastic bottles you haven't yet recycled: https://youtu.be/T0C5PnCID10

Some harsh realities in this article and those linked a tthe bottom of the page: 
United States of Plastic

Trust me, it's completely relevant: https://www.facebook.com/bbccomedy/videos/2661290550567360/?t=0

"In a new study in Environmental Science & Technology, researchers estimate the average American eats more than 50,000 pieces of microplastic—fragments smaller than 5 millimeters in length—every year and inhales another 50,000. Although the health effects of consuming these microscopic bits of plastic are unclear, researchers stress the sheer volume that people are inadvertently swallowing is alarming. The largest contributor came from drinking bottled water, in which the bottle itself added more than 32 times more plastic to a diet compared with tap water, The Guardian reports."