If we define "better off" as being more favorable for the benefit of human life, does science tell us that that the world is better off with 580 ppm of CO2 in the atmospheric or 300 ppm?
Most people believe the world we live in is normal but for most of the past 55 million years the world has...
atmospheric co2
bipolar glaciation
climate models
glacial cycle
greenhous world
icehouse world
intergalcial cycle
isolatedpolarregionsfromwarmmarinecurrents