In the rich world the environmental situation has improved dramatically. In the United States the most important environmental indicator particulate air pollution has been cut by more than half since 1955 rivers and coastal waters have dramatically improved and forests are increasing.
Birds are indicators of the environment. If they are in trouble we know we'll soon be in trouble.
Religiosity turns out to be the best indicator of civic involvement: it's more accurate than education age income gender or race.
Life is divided into three terms - that which was which is and which will be. Let us learn from the past to profit by the present and from the present to live better in the future.