to organise activities to achieve a social or political goal to campaign to be doing something continuously and well to be on a roll to talk about the most important points of a subject, without wasting time to cut to the kill the basic resources that a product is made from raw materials a powerful effect that something has on a situation an impact grown or produced without using chemicals or anything artificial organic causing little or no damage to the environment sustainable to show that something is true or real to prove https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf