The rich countries have failed,too little success stories in relation to the rhetoric as well as being too wedded to present economic ideologies.
These protesters may seem hypocritical to some,given their need to travel and communicate implies use of polluting technologies, but then like the protesters of old fighting for workers rights or even Human Rights they are willing to take a stand in the face of 'conventional wisdom'.
Amazon is still being depleted,Africa also,extractive technologies rule and even if you replace a tree every minute how long before that once verdant landscape is renewed and returns to what it once was,if ever.
We are the problem and the solution,unfortunately our attitudes bind us to the status quo,either we are willing to make serious sacrifices,as the FE implied,or let our descendants sink in the mire of our selfishness.
During this Brexit travesty people have said that "we/you should look after our own first",well how about looking after EVERONE'S interest,pollution has no boundaries why do we.