Cow farts! Belching Bovines Excess methane gas.. global 'warming'. (the burping/tooting ruminants & gas part is true!.. the 'global warming, err- 'climate change' part, take your pick/believe whatever.
There is no such thing as global warming, its just one of the propaganda bullshit what the TV spits out of itself. Its the exact opposite and you will see it in a decade.
The sun's behavior have literally a thousand times more effect on our weather than we do. But any scientist who "dares" to oppose the mainstream media will be called a quack and loses its job and funding..