Q 01/05

On what date is Earth Day held every year?

A) June 5

B) March 21

C) April 22

D) October 1

Answer · why

C) April 22

The first one, in 1970, was focused on the United States.

Q 02/05

Which US senator proposed the nationwide environmental teach-in that became Earth Day?

A) Edmund Muskie

B) Gaylord Nelson

C) Henry Jackson

D) Al Gore

Answer · why

B) Gaylord Nelson

He hired the young activist Denis Hayes as national coordinator.

Q 03/05

Who coined the name 'Earth Day'?

A) Activist Denis Hayes

B) UN Secretary General U Thant

C) Advertising writer Julian Koenig

D) Senator Gaylord Nelson

Answer · why

C) Advertising writer Julian Koenig

He liked it partly because April 22 was his birthday and 'birthday' rhymes with 'Earth Day'.

Q 04/05

Which labour union was the most important outside backer of the first Earth Day?

A) The AFL-CIO

B) United Auto Workers

C) United Mine Workers

D) The Teamsters

Answer · why

B) United Auto Workers

Denis Hayes said that without it the first Earth Day 'would have likely flopped'.

Q 05/05

In how many nations did Denis Hayes organise Earth Day events when he took it international in 1990?

A) 141

B) 161

C) 181

D) 201

Answer · why

A) 141

By 2016 the Paris Agreement was being signed on Earth Day.