More bullshit from you. The variation in the incoming IR that causes the Ice Ages is the very well known orbital changes known as the Milankovitch cycles.
Then you point out positive feedbacks which today you recognize and will most likely deny tomorrow as we point out the dangers of reaching tipping points from Ice Albedo, melting tundra, increased WV and others.
The IPCC's report is correct, global warming can conclusively be attributed to human GH gas emissions.
