Half of world's vertebrates 'wiped out'

Some useful and alarming statistics...one of which is that the way we are consuming the earth's resources right now, we need 1.5 earths to sustain this consumption rate -- i.e. we are overconsuming by 50%!


Qn:

1.     Is there any point in trying to predict the future trends?

2.     Discuss the claim that in the modern world people should care more about international than national issues.

3.     How important is it to save plant and animal species which are in danger of extinction?