… for climate change over the past several millennia from instrumental and high-resolution
climate “proxy” data sources and climate … We emphasize climate variations during the past few …

… Using a formal statistical analysis to separate the estimated influences of anthropogenic
climate change from possible natural cyclical influences, this article presents results indicating …

… [1] Analyses of global climate from measurements dating … Using a 1400 year climate model
calculation, we are able to … -periodic cycle of internal climate variability persisting for many …

… [1] We test the performance of proxy-based climate field reconstruction methods using
sets of synthetic proxy climate indicators. ‘Pseudoproxies’ are constructed through the …

… We used a global climate proxy network to reconstruct surface … imply dynamical responses
of climate to natural radiative … made over the past decade in using climate “proxy” data to …

… variability on past and recent climate. Because widespread instrumental climate data are
available for only about one century, we must use proxy climate indicators combined with any …

… “Michael Mann presents his conviction that climate … climate researchers, no one has felt
the brunt of the attacks from politicians and the fossil fuel industry more than Michael Mann. This …

… climate change. The purpose of this report is to synthesize the most policy-relevant climate
… , 2009, and any national or international climate change policy negotiations that follow. …

Given the widely noted increase in the warming effects of rising greenhouse gas concentrations,
it has been unclear why global surface temperatures did not rise between 1998 and …

… climate record and discussion of potential mechanisms associated with the patterns of medieval
climate … past natural climate variability in terms of its spatial and temporal characteristics. …