This 1 December 2019 video says about itself:
What is Climate Change?
The hard facts about global warming – a defining issue of our time.
In fact, we’re going backwards. The UN says carbon dioxide levels in our atmosphere are going up, and the earth is on track to warm by 3.2 degrees before the century is over. The consequences of that acceleration are already proving disastrous for communities around the world.
20 MILLION HAVE FLED HOMES DUE TO CLIMATE CRISIS SINCE ’08 Fiercer weather and worsening wildfires drove more than 20 million people from their homes over the last decade ― a problem set to worsen unless leaders act swiftly to head off surging climate threats, anti-poverty charity Oxfam said. [Reuters]