claim: (2009) have demonstrated recently  – the upper troposphere (the only place where adding CO2 to the  atmosphere could make any difference to temperature) is considerably  drier than the models are tuned to expect."
evidence: Among other findings, the report concluded that sea level rises could be up to two feet higher by the year 2100, even if efforts to reduce greenhouse gas emissions and to limit global warming are successful; coastal cities across the world could see so-called "storm[s] of the century" at least once a year.