Matching Pairs Environmental problemsOnline version Environmental problems vocab by Hamed Hashemian 1 The government is considering banning the use of pesticides. 2 Ignoring something important won’t make it go away. 3 Researching your family’s roots can be very interesting. 4 The conference was attended by all the most important people in the tech industry. 5 The workers protested against the changes by holding a six-week strike. 6 I don’t have the courage to give a speech to a large audience. family origins, your family history stop something from happening, usually by law; chemicals used to kill insects, pests and small animals when you are brave in a difficult situation an event where there are talks on a particular subject not give any attention or importance to something show publicly that you think something is wrong; a period of time when a person refuses to do something for a particular reason