Glaciers
What exactly are glaciers?
Huge masses of ice
In the Middle Ages, wind turbines were used to ...?
Pump water or grind grai
What is the main chemical that causes acid rain?
sulfur dioxide
Which animal species currently has the least amount left?
Sumatran rhinoceros
Recycling one aluminum can saves enough energy to run a TV for...
3 hours
Where do glaciers form?
Where snow stays in one place and turns into ice*
How tall can a big wind turbine be?
200 meters
What do the gases in the air mix with?
water
How many Javan Rhinos (Java-Nashorn) are still alive?
30-50
How much trash does one human waste on average per year?
1 ton
Which is the largest glacier of the Alps?
Aletsch Glacier
Which is a negative point for wind power?
It can kill birds or bats?
What percentage of the world's water is fresh water?
1%
What is happening to the glaciers due to global warming?
They are melting
How many tons of materials are recycled in Switzerland each year?
13 million tons
How much of the earth's freshwater is stored in glaciers?
70%
Where is the largest solar thermal plant located?
California, USA
How many people die every year from illnesses caused by water pollution?
2-4 million
Why is driving cars considered bad for the environment?
They produce CO2
What exactly are landfills?
Large holes in the ground where trash is buried
How much area is covered by the world's largest glacier? (km2 or football pitches)
14.2 million km^2 (5.5 million sq miles)
140 standard football pitches
When did an aircraft fly across the USA using only solar power?
1990
How many tons of pollution flow into the Mississippi River each year?
1.5 million tons
By how many degrees has the temperature risen since 1880?
1.1°C
Which of everyday materials can be recycled?
Paper, glass, aluminium, plastic