FIVE years on from the Paris Agreement on climate change, the world remains in denial over the actions needed to prevent catastrophic warming, Swedish environmental activist Greta Thunberg said on Friday. The deal was adopted on December 12, 2015 by 196 countries but, so far, global leaders have failed to deliver on its promises, she said in a video that urged her 10.5 million Instagram followers to #FightFor1point5. That was a reference to the ambition set out in the accord to hold the rise in average global temperatures to 1.5 Celsius above pre-industrial levels. The video showed images of politicians…