In which year was the first ever Earth day event held?
April 22, 1970
April 22, 1870
Aprill 22, 1785
April 22, 300 BC
How much ice, on average, is being lost each year from all the mountain glaciers around the world combined?
200 billion tons
200 million tons
400 billion tons
400 million tons
How many countries officially take part in Earth Day celebrations?
232 Countries
192 Countries
293 Countries
193 Countries
The Earth day flag has an image of what in the centre?
Melting ice caps
The Earth
A polar bear
A rainbow
NASA has been measuring sea surface height from space since 1992. Over that period, average global sea level has risen by how much?
2.2 millimeters/year
1.2 millimeters/year
4.2 millimeters/year
3.2 millimeters/year
Which well known Hollywood star hosted Earth Day 2000?
Leonardo DiCaprio
Angelina Jolie
Bruce Willis
Batman