This is HARBURG21's playground with various learning stations for the young and young at heart. You are invited to test and improve your knowledge about climate change, enviromental protection and other issues related to a sustainable development.
Choose one of the multiple choice tests below and answer each question as good as you can. On each submission of your answers you'll see if and where you were right or wrong - a plus symbol behind each correct answer marks every correct choice. After the final question you will access detailed background information. You may repeat any of the quizzes anytime and as often as you like.
Please note: The questions may have more than one correct answer.
Dr. Chris Baudy (cb), HARBURG21 quiz author.