Climate change is one of the most dangerous challenges of our time. It is undoubtedly an existential threat to humanity's survival on the planet. Despite great efforts in recent decades, awareness of this topic is still limited and hindered by political, economic, social and cultural reasons. Former US Vice President Al Gore's documentary film "An Inconvenient Truth", released in 2006, was the politician's first major effort to present to a global audience the catastrophes of global warming and the need for preventive measures on the part of the whole world. (AJMAL SHAMS)