claim: When the Emergency Leaders for Climate Action approached the Federal Government in April they were drawing on decades of data showing that fire conditions are getting worse.
evidence: The administration released the Fourth National Climate Assessment ( NCA4 ) in November 2018, a long-awaited study conducted by numerous federal agencies that found the evidence of human-caused climate change is overwhelming and continues to strengthen, that the impacts of climate change are intensifying across the country, and that climate-related threats to Americans' physical, social, and economic well-being are rising.