Question 1

What is the land - water ratio on the Earth's surface?

Accepted Answer

30 land - 70 water - 1.-  Water covers 70% of the Earth, but it only represents the thousandth part of the planet volume.

Question 2

How much water is fresh?

Accepted Answer

3.5% -  Humans can easily access only 0.3% of this fresh water for use it. The rest is frozen or groundwater.

Question 3

What is the Great Pacific Garbage Patch?

Accepted Answer

An island formed by plastic remains thrown into the sea. - It is located in the Pacific Ocean. It is over 60 years old and occupies more than 1.8 million square kilometers with more than 80 billion bits of floating plastic. Double the size of France.

Question 4

How many tons of plastic are dumped into the sea every second?

Accepted Answer

200 - Scientists think  there will be more plastic than fish over 2050, and coral reefs could be completely destroyed.

Question 5

When will Venice be completely buried under sea water?

Accepted Answer

2100 - Venice will be submerged in 2100  according to a study published by European Geosciences.

Question 6

How much snow does Antarctica lose each year?

Accepted Answer

151.000 million tons -  Antarctica loses the weight of the rock that makes up Mount Everest every year, according to NASA's Grace Follow-On satellite.

Question 7

What percentage of marine species are at risk from climate change?

Accepted Answer

33 % - According to the University of British Columbia in Canada, fish and shellfish have difficulty adapting to higher temperatures.

Question 8

How much does the sea level rise each year?

Accepted Answer

3,2 mm. -  In the last 25 years, the sea level has risen twice as much as expected due to the melting of glaciers.

Question 9

Do you know what effects climate change has on life on Earth?

Accepted Answer

All the answers are correct

Question 10

How long does a pet bottle decompose?

Accepted Answer

1000 years. -  150 years is the time it takes for a common plastic bag to degrade. A PET bottle can take 1,000 years to disappear.

Question 11

Which country generates more carbon dioxide?

Accepted Answer

China - Last decade, China has surpassed the USA in carbon dioxide emissions into the atmosphere. From 1850 to 2011, USA issued 27% of CO2.

Question 12

What can we do against climate change?

Accepted Answer

A and C are corrrect

¿How much do you know about environment?

2) How much water is fresh?

3) What is the Great Pacific Garbage Patch?

4) How many tons of plastic are dumped into the sea every second?

5) When will Venice be completely buried under sea water?

6) How much snow does Antarctica lose each year?

7) What percentage of marine species are at risk from climate change?

8) How much does the sea level rise each year?

9) Do you know what effects climate change has on life on Earth?

10) How long does a pet bottle decompose?

11) Which country generates more carbon dioxide?

12) What can we do against climate change?