Archives

By how much have the primary pollutants from every unit of coal-generated energy decreased in the U.S. since 1990?

Which of the following nations has the highest average level of material well-being?

What portion of all prisoners in the U.S. are incarcerated solely for drug use?

On average, how much do federal subsidies for petroleum production subsidize a gallon of gasoline?

Has the earth experienced systemic changes in rainfall or droughts over the past 150 years?

Has the average hourly compensation of U.S. workers generally risen at about the same pace as their productivity for the past 70 years?

Over the entire earth, what is the ratio of trees to people?

Are the average carbon dioxide concentrations in cloth and surgical masks high enough to potentially impair certain brain functions?

Which of the following phenomena related to climate change have generally worsened over the past three decades?

By how much did the average global sea level rise between the 1990s and the recent decade from 2011 to 2020?