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