Title: Biodiversity.
Question: 2012 studies estimated what percentage of mammals could be extinct in 20 years?

Title: Switzerland.
Question: What reason did the Swiss government give for ending its use of nuclear energy?

Title: Muammar Gaddafi.
Question: Along with the working class, what was the class background of RCC members?

Title: Political corruption.
Question:
Who discovered the correlation that congressman who have less local press coverage work less for the people who elected them?