Earth Day on Google Maps - some great panoramic images here:

https://www.google.com/maps/about/treks/#/grid

Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network and celebrated in more than 193 countries each year. Source: https://en.wikipedia.org/wiki/Earth_Day

Coscto Connections magazine had an interesting interview with the founder Denis Hayes in the April 2016 issue: http://www.schuchart.com/wp-content/uploads/2016/04/Costco-Connection-Magazine-Building-the-Future-1.pdf